OutputProposed (index_topic_1bytes32 outputRoot, index_topic_2uint256 l2OutputIndex, index_topic_3uint256 l2BlockNumber, uint256 l1Timestamp)
[topic 0]:0xa7aaf2512769da4e444e3de247be2564225c2e7a8f74cfe528e46e17d24868e2
[topic 1]:0x850ebde0f07c58655ab34fc727e21c4c377d85d79abeed51805d0892ad932bba
[topic 2]:0x0000000000000000000000000000000000000000000000000000000000010419
[topic 3]:0x0000000000000000000000000000000000000000000000000000000000b6e248
0x00000000000000000000000000000000000000000000000000000000673fc290