OutputProposed (index_topic_1bytes32 outputRoot, index_topic_2uint256 l2OutputIndex, index_topic_3uint256 l2BlockNumber, uint256 l1Timestamp)
[topic 0]:0xa7aaf2512769da4e444e3de247be2564225c2e7a8f74cfe528e46e17d24868e2
[topic 1]:0x3920939c71a00c1cd24597415054244a8537db13548f66946e33515c7a62d1d3
[topic 2]:0x0000000000000000000000000000000000000000000000000000000000000001
[topic 3]:0x0000000000000000000000000000000000000000000000000000000000b31959
0x000000000000000000000000000000000000000000000000000000006762939c