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optimism_outputAtBlock RPC Method

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Updated on
Apr 01, 2026

Parameters

blockNumber
string
REQUIRED
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Returns

result
object
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version
string
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outputRoot
string
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blockRef
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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l1origin
object
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hash
string
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number
integer
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sequenceNumber
integer
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withdrawalStorageRoot
string
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stateRoot
string
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syncStatus
object
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current_l1
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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current_l1_finalized
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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head_l1
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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safe_l1
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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finalized_l1
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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unsafe_l2
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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l1origin
object
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hash
string
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number
integer
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sequenceNumber
integer
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safe_l2
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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l1origin
object
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hash
string
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number
integer
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sequenceNumber
integer
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finalized_l2
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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l1origin
object
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hash
string
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number
integer
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sequenceNumber
integer
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pending_safe_l2
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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l1origin
object
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hash
string
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number
integer
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sequenceNumber
integer
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cross_unsafe_l2
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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l1origin
object
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hash
string
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number
integer
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sequenceNumber
integer
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local_safe_l2
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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l1origin
object
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hash
string
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number
integer
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sequenceNumber
integer
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queued_unsafe_l2
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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l1origin
object
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hash
string
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number
integer
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sequenceNumber
integer
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engine_sync_target
object
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hash
string
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number
integer
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parentHash
string
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timestamp
integer
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l1origin
object
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hash
string
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number
integer
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sequenceNumber
integer
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Request
Response
1
{
2
"jsonrpc": "2.0",
3
"id": 1,
4
"result": {
5
"version": "0x0000000000000000000000000000000000000000000000000000000000000000",
6
"outputRoot": "0xca951d88514b3253f805812cdd231bdaffc684db2e3c128e57ea37634a0d1c2f",
7
"blockRef": {
8
"hash": "0x11d5054e20eaf1425745dcddffde2105b30497ee31ae157d19dbc3e35250e2a9",
9
"number": 45922889,
10
"parentHash": "0xf3342abd35601c3f762e349f392cbf8c7c00241648b6017166490726967cb181",
11
"timestamp": 1774926185,
12
"l1origin": {
13
"hash": "0xe161a261970bdeb27c995e5669f82b0d7a7ab9b8a08a5b23b5c1f611f5496b53",
14
"number": 10557798
15
},
16
"sequenceNumber": 3
17
},
18
"withdrawalStorageRoot": "0x2f7f8ffcfe1eb3d9edc4ef32965f950ae635b242998d4f7acfd78811a392fd23",
19
"stateRoot": "0xbbac9c44aa2c8847158cf441b4ff457138f67d173a1d3efef9736053d21a6a7a",
20
"syncStatus": {
21
"current_l1": {
22
"hash": "0x4515dbcb99e792702772ecac4eb612c04ac3ca5a4555b7a45ea72a54414c5c79",
23
"number": 11809912,
24
"parentHash": "0xd2579069ed89ad729d5efce0e3931a4993d8b16eab2808996dde3b688bb22a4e",
25
"timestamp": 1790713632
26
},
27
"current_l1_finalized": {
28
"hash": "0x2f4a598d8e163fc2bd07fe17845f5ca6a484329ba8a6ffc1b50a5cc531e24a95",
29
"number": 11809832,
30
"parentHash": "0x32cb9bb6b3898309b22910879ba4569ddc50e85a2bc1e401920670b58a520e13",
31
"timestamp": 1790712672
32
},
33
"head_l1": {
34
"hash": "0x4515dbcb99e792702772ecac4eb612c04ac3ca5a4555b7a45ea72a54414c5c79",
35
"number": 11809912,
36
"parentHash": "0xd2579069ed89ad729d5efce0e3931a4993d8b16eab2808996dde3b688bb22a4e",
37
"timestamp": 1790713632
38
},
39
"safe_l1": {
40
"hash": "0xe53e889dfc93566a621ed8c8d32b1565eb81ab84d1b1b977a34cf9266e39cb67",
41
"number": 11809864,
42
"parentHash": "0x487dae8c0eed44babad51a8eb09b36f1cf43784a8350b715ea7a4d7220a89cbc",
43
"timestamp": 1790713056
44
},
45
"finalized_l1": {
46
"hash": "0x2f4a598d8e163fc2bd07fe17845f5ca6a484329ba8a6ffc1b50a5cc531e24a95",
47
"number": 11809832,
48
"parentHash": "0x32cb9bb6b3898309b22910879ba4569ddc50e85a2bc1e401920670b58a520e13",
49
"timestamp": 1790712672
50
},
51
"unsafe_l2": {
52
"hash": "0xd8902388c4e26cbc70609eb78f72542ef7ff79923ca613d4acc87f1ceb297149",
53
"number": 61710354,
54
"parentHash": "0xbb185cc21b6f1dbbdcd3e8ee5c4f32251c3affd957f74b8b8ef480a4687b4b45",
55
"timestamp": 1790713650,
56
"l1origin": {
57
"hash": "0xba4d610c4ef4d8bbe2f68ff97e75d96f179afb328ac45c10b42b6d9bad476778",
58
"number": 11809907
59
},
60
"sequenceNumber": 11
61
},
62
"safe_l2": {
63
"hash": "0x87c526275748e019204a9e2542ec68161246230a10790e092ff66cc118e3ac3a",
64
"number": 61709856,
65
"parentHash": "0x51443d1c08327863b1ad467db22cdf83250cf83888e3dd43c9fd9a30439d43b7",
66
"timestamp": 1790713152,
67
"l1origin": {
68
"hash": "0xa4e97692b44eb6566b19e9d14e498beb10dba0c3aa28827a65c5917f3eebdc1a",
69
"number": 11809865
70
},
71
"sequenceNumber": 6
72
},
73
"finalized_l2": {
74
"hash": "0x84403fd5bc4bbdcfa50607fbff7b925c77674b73577e1a6e33e4ccd4dbb02127",
75
"number": 61708422,
76
"parentHash": "0x7216db98ea150de9b6e6d78fdd80bd7190ac06ab78af45661d03806d106a8a0c",
77
"timestamp": 1790711718,
78
"l1origin": {
79
"hash": "0x6f67d9a42a741bf24e05f3b870d45c4829a9b62836f2940bd73e084c8c9ee096",
80
"number": 11809746
81
},
82
"sequenceNumber": 12
83
},
84
"pending_safe_l2": {
85
"hash": "0x87c526275748e019204a9e2542ec68161246230a10790e092ff66cc118e3ac3a",
86
"number": 61709856,
87
"parentHash": "0x51443d1c08327863b1ad467db22cdf83250cf83888e3dd43c9fd9a30439d43b7",
88
"timestamp": 1790713152,
89
"l1origin": {
90
"hash": "0xa4e97692b44eb6566b19e9d14e498beb10dba0c3aa28827a65c5917f3eebdc1a",
91
"number": 11809865
92
},
93
"sequenceNumber": 6
94
},
95
"local_safe_l2": {
96
"hash": "0x87c526275748e019204a9e2542ec68161246230a10790e092ff66cc118e3ac3a",
97
"number": 61709856,
98
"parentHash": "0x51443d1c08327863b1ad467db22cdf83250cf83888e3dd43c9fd9a30439d43b7",
99
"timestamp": 1790713152,
100
"l1origin": {
101
"hash": "0xa4e97692b44eb6566b19e9d14e498beb10dba0c3aa28827a65c5917f3eebdc1a",
102
"number": 11809865
103
},
104
"sequenceNumber": 6
105
}
106
}
107
}
108
}
1
{
2
"jsonrpc": "2.0",
3
"id": 1,
4
"result": {
5
"version": "0x0000000000000000000000000000000000000000000000000000000000000000",
6
"outputRoot": "0xca951d88514b3253f805812cdd231bdaffc684db2e3c128e57ea37634a0d1c2f",
7
"blockRef": {
8
"hash": "0x11d5054e20eaf1425745dcddffde2105b30497ee31ae157d19dbc3e35250e2a9",
9
"number": 45922889,
10
"parentHash": "0xf3342abd35601c3f762e349f392cbf8c7c00241648b6017166490726967cb181",
11
"timestamp": 1774926185,
12
"l1origin": {
13
"hash": "0xe161a261970bdeb27c995e5669f82b0d7a7ab9b8a08a5b23b5c1f611f5496b53",
14
"number": 10557798
15
},
16
"sequenceNumber": 3
17
},
18
"withdrawalStorageRoot": "0x2f7f8ffcfe1eb3d9edc4ef32965f950ae635b242998d4f7acfd78811a392fd23",
19
"stateRoot": "0xbbac9c44aa2c8847158cf441b4ff457138f67d173a1d3efef9736053d21a6a7a",
20
"syncStatus": {
21
"current_l1": {
22
"hash": "0x4515dbcb99e792702772ecac4eb612c04ac3ca5a4555b7a45ea72a54414c5c79",
23
"number": 11809912,
24
"parentHash": "0xd2579069ed89ad729d5efce0e3931a4993d8b16eab2808996dde3b688bb22a4e",
25
"timestamp": 1790713632
26
},
27
"current_l1_finalized": {
28
"hash": "0x2f4a598d8e163fc2bd07fe17845f5ca6a484329ba8a6ffc1b50a5cc531e24a95",
29
"number": 11809832,
30
"parentHash": "0x32cb9bb6b3898309b22910879ba4569ddc50e85a2bc1e401920670b58a520e13",
31
"timestamp": 1790712672
32
},
33
"head_l1": {
34
"hash": "0x4515dbcb99e792702772ecac4eb612c04ac3ca5a4555b7a45ea72a54414c5c79",
35
"number": 11809912,
36
"parentHash": "0xd2579069ed89ad729d5efce0e3931a4993d8b16eab2808996dde3b688bb22a4e",
37
"timestamp": 1790713632
38
},
39
"safe_l1": {
40
"hash": "0xe53e889dfc93566a621ed8c8d32b1565eb81ab84d1b1b977a34cf9266e39cb67",
41
"number": 11809864,
42
"parentHash": "0x487dae8c0eed44babad51a8eb09b36f1cf43784a8350b715ea7a4d7220a89cbc",
43
"timestamp": 1790713056
44
},
45
"finalized_l1": {
46
"hash": "0x2f4a598d8e163fc2bd07fe17845f5ca6a484329ba8a6ffc1b50a5cc531e24a95",
47
"number": 11809832,
48
"parentHash": "0x32cb9bb6b3898309b22910879ba4569ddc50e85a2bc1e401920670b58a520e13",
49
"timestamp": 1790712672
50
},
51
"unsafe_l2": {
52
"hash": "0xd8902388c4e26cbc70609eb78f72542ef7ff79923ca613d4acc87f1ceb297149",
53
"number": 61710354,
54
"parentHash": "0xbb185cc21b6f1dbbdcd3e8ee5c4f32251c3affd957f74b8b8ef480a4687b4b45",
55
"timestamp": 1790713650,
56
"l1origin": {
57
"hash": "0xba4d610c4ef4d8bbe2f68ff97e75d96f179afb328ac45c10b42b6d9bad476778",
58
"number": 11809907
59
},
60
"sequenceNumber": 11
61
},
62
"safe_l2": {
63
"hash": "0x87c526275748e019204a9e2542ec68161246230a10790e092ff66cc118e3ac3a",
64
"number": 61709856,
65
"parentHash": "0x51443d1c08327863b1ad467db22cdf83250cf83888e3dd43c9fd9a30439d43b7",
66
"timestamp": 1790713152,
67
"l1origin": {
68
"hash": "0xa4e97692b44eb6566b19e9d14e498beb10dba0c3aa28827a65c5917f3eebdc1a",
69
"number": 11809865
70
},
71
"sequenceNumber": 6
72
},
73
"finalized_l2": {
74
"hash": "0x84403fd5bc4bbdcfa50607fbff7b925c77674b73577e1a6e33e4ccd4dbb02127",
75
"number": 61708422,
76
"parentHash": "0x7216db98ea150de9b6e6d78fdd80bd7190ac06ab78af45661d03806d106a8a0c",
77
"timestamp": 1790711718,
78
"l1origin": {
79
"hash": "0x6f67d9a42a741bf24e05f3b870d45c4829a9b62836f2940bd73e084c8c9ee096",
80
"number": 11809746
81
},
82
"sequenceNumber": 12
83
},
84
"pending_safe_l2": {
85
"hash": "0x87c526275748e019204a9e2542ec68161246230a10790e092ff66cc118e3ac3a",
86
"number": 61709856,
87
"parentHash": "0x51443d1c08327863b1ad467db22cdf83250cf83888e3dd43c9fd9a30439d43b7",
88
"timestamp": 1790713152,
89
"l1origin": {
90
"hash": "0xa4e97692b44eb6566b19e9d14e498beb10dba0c3aa28827a65c5917f3eebdc1a",
91
"number": 11809865
92
},
93
"sequenceNumber": 6
94
},
95
"local_safe_l2": {
96
"hash": "0x87c526275748e019204a9e2542ec68161246230a10790e092ff66cc118e3ac3a",
97
"number": 61709856,
98
"parentHash": "0x51443d1c08327863b1ad467db22cdf83250cf83888e3dd43c9fd9a30439d43b7",
99
"timestamp": 1790713152,
100
"l1origin": {
101
"hash": "0xa4e97692b44eb6566b19e9d14e498beb10dba0c3aa28827a65c5917f3eebdc1a",
102
"number": 11809865
103
},
104
"sequenceNumber": 6
105
}
106
}
107
}
108
}
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