Buy (address account, uint256 assetAmount, uint256 payoutAmount, uint256 duration)
[topic 0]:0xbeae048c6d270d9469f86cf6e8fedda3c60ad770f16c24c9fc131c8e9a09101d
[topic 2]:0x000000000000000000000000000000000000000000000000000000000000000c
0x0000000000000000000000000000000000000000000000000378e3930acd80000000000000000000000000000000000000000000000000000062c3f3e4c18000