OutputProposed (index_topic_1bytes32 outputRoot, index_topic_2uint256 l2OutputIndex, index_topic_3uint256 l2BlockNumber, uint256 l1Timestamp)
[topic 0]:0xa7aaf2512769da4e444e3de247be2564225c2e7a8f74cfe528e46e17d24868e2
[topic 1]:0x10a1c4a219217de0444c98cba63fe3886b716db1fba44449874fbc79d80440d4
[topic 2]:0x000000000000000000000000000000000000000000000000000000000000ec7a
[topic 3]:0x0000000000000000000000000000000000000000000000000000000000a6467c
0x00000000000000000000000000000000000000000000000000000000675ec910