Function: buy(uint256,uint256,uint8)
MethodID: 0x8ce13f89
[0]: 000000000000000000000000000000000000000000000000000000000000007f
[1]: 000000000000000000000000000000000000000000000000000000003b9aca00
[2]: 0000000000000000000000000000000000000000000000000000000000000001