OutputProposed (index_topic_1bytes32 outputRoot, index_topic_2uint256 l2OutputIndex, index_topic_3uint256 l2BlockNumber, uint256 l1Timestamp)
[topic 0]:0xa7aaf2512769da4e444e3de247be2564225c2e7a8f74cfe528e46e17d24868e2
[topic 1]:0x6ecd302203abfa26701734b517d19676d4547ee9598e057a9fdca739e6b90fb6
[topic 2]:0x000000000000000000000000000000000000000000000000000000000000000c
[topic 3]:0x0000000000000000000000000000000000000000000000000000000000000618
0x0000000000000000000000000000000000000000000000000000000066754c08