OutputProposed (index_topic_1bytes32 outputRoot, index_topic_2uint256 l2OutputIndex, index_topic_3uint256 l2BlockNumber, uint256 l1Timestamp)
[topic 0]:0xa7aaf2512769da4e444e3de247be2564225c2e7a8f74cfe528e46e17d24868e2
[topic 1]:0xdfac458fe36e3cc87d67ac5444ac0e5ffd99e456714d0b3bae056cf224a2d3d5
[topic 2]:0x00000000000000000000000000000000000000000000000000000000000001f7
[topic 3]:0x0000000000000000000000000000000000000000000000000000000000a61d00
0x000000000000000000000000000000000000000000000000000000006750a26b