PurchaseEvent (uint256 , address , uint256 )
[topic 0]:0xbec109f7ee137de661c6887caa96653c0545050a9908a3b6eb5190440bbec864
[topic 1]:0x0000000000000000000000000c100eedab529b15d895352f602357486aaf03cf
0x0000000000000000000000000000000000000000000000337fc43e7c0fba40000000000000000000000000000000000000000000000000000000000060536073