OutputProposed (index_topic_1bytes32 outputRoot, index_topic_2uint256 l2OutputIndex, index_topic_3uint256 l2BlockNumber, uint256 l1Timestamp)
[topic 0]:0xa7aaf2512769da4e444e3de247be2564225c2e7a8f74cfe528e46e17d24868e2
[topic 1]:0x1bf16a6b8d5cb90763f37f1362f4625f8fe28137e55ce252ce29f6c08793eabd
[topic 2]:0x00000000000000000000000000000000000000000000000000000000000008e9
[topic 3]:0x0000000000000000000000000000000000000000000000000000000000042db0
0x0000000000000000000000000000000000000000000000000000000066b9fe44