OutputProposed (index_topic_1bytes32 outputRoot, index_topic_2uint256 l2OutputIndex, index_topic_3uint256 l2BlockNumber, uint256 l1Timestamp)
[topic 0]:0xa7aaf2512769da4e444e3de247be2564225c2e7a8f74cfe528e46e17d24868e2
[topic 1]:0xe9fdb36afd7e9d88fa1f7f3fee21fca354764c8d856ea4294044d23e0e53a5d0
[topic 2]:0x0000000000000000000000000000000000000000000000000000000000000156
[topic 3]:0x000000000000000000000000000000000000000000000000000000000012d770
0x000000000000000000000000000000000000000000000000000000006669ff90