OutputProposed (index_topic_1bytes32 outputRoot, index_topic_2uint256 l2OutputIndex, index_topic_3uint256 l2BlockNumber, uint256 l1Timestamp)
[topic 0]:0xa7aaf2512769da4e444e3de247be2564225c2e7a8f74cfe528e46e17d24868e2
[topic 1]:0x1a26c4b9f79c44b17794557fdbf5c001057772e692f5400ae9f0e5d1940b8e82
[topic 2]:0x0000000000000000000000000000000000000000000000000000000000000009
[topic 3]:0x00000000000000000000000000000000000000000000000000000000000004b0
0x00000000000000000000000000000000000000000000000000000000668a9a5c