PurchaseEvent (uint256 , address , uint256 )
[topic 0]:0xbec109f7ee137de661c6887caa96653c0545050a9908a3b6eb5190440bbec864
[topic 1]:0x000000000000000000000000bee1e9658cf5e2423eb96447030c510376e1fc12
0x00000000000000000000000000000000000000000000007114c69fd6bed44000000000000000000000000000000000000000000000000000000000006075b27d