OutputProposed (index_topic_1bytes32 outputRoot, index_topic_2uint256 l2OutputIndex, index_topic_3uint256 l2BlockNumber, uint256 l1Timestamp)
[topic 0]:0xa7aaf2512769da4e444e3de247be2564225c2e7a8f74cfe528e46e17d24868e2
[topic 1]:0x2ec88cc0125585a799bd05f78df05f816f4b43491c6cf2e3990a961fc373ddfd
[topic 2]:0x000000000000000000000000000000000000000000000000000000000000055c
[topic 3]:0x00000000000000000000000000000000000000000000000000000000007121b8
0x000000000000000000000000000000000000000000000000000000006744701f