Exchange (index_topic_1uint256 idX, index_topic_2uint256 idY, uint256 exchangeFee)
[topic 0]:0xbc43d7c0945f5a13a7bfa8ca7309e55f903f01d66c38c6d1353fe7ff9335d776
[topic 1]:0x0000000000000000000000000000000000000000000000000000000000002721
[topic 2]:0x0000000000000000000000000000000000000000000000000000000000001cb6
0x0000000000000000000000000000000000000000000000000058d15e17628000