PurchaseEvent (uint256 , address , uint256 )
[topic 0]:0xbec109f7ee137de661c6887caa96653c0545050a9908a3b6eb5190440bbec864
[topic 1]:0x000000000000000000000000102dd33ef3c1af8736eddcc30985feb69e099cd8
0x0000000000000000000000000000000000000000000007cf95952a9079166a800000000000000000000000000000000000000000000000000000000066f19073