LogProofCommitted (uint256 batchId, uint256 lastEventId)
[topic 0]:0x321d78cce2319e8a11f283f534aa49cf60de36fd115b20210f087b4d403505a2
0x0000000000000000000000000000000000000000000000000000000000001feb00000000000000000000000000000000000000000000000000000000001fe4de