PurchaseEvent (uint256 , address , uint256 )
[topic 0]:0xbec109f7ee137de661c6887caa96653c0545050a9908a3b6eb5190440bbec864
[topic 1]:0x00000000000000000000000026e2ce9d04044029b6b7eec1ad5aaaa598f99176
0x000000000000000000000000000000000000000000000002b5e3af16b1880000000000000000000000000000000000000000000000000000000000006762d703