Purchase (index_topic_1address collectionAddress, index_topic_2address userAddress, uint256 projectId, uint256 tokenId, uint256 price)
[topic 0]:0x8f7a55179307cea51948432d653dbd53a23fedc388bcb3e04e311f8220d87864
0x0000000000000000000000000000000000000000000000008ac7230489e8000000000000000000000000000000000000000000000000000006f05b59d3b200000000000000000000000000000000000000000000000000000000000000aa37dc