SpentERC20 (address erc20contract, address to, uint256 transfer)
[topic 0]:0x3d1915a2cdcecdfffc5eb2a7994c069bad5d4aa96aca85667dedbe60bb80491c
0x000000000000000000000000dac17f958d2ee523a2206206994597c13d831ec70000000000000000000000006b47a2bdd1a64dc2abc60df377f2205b529dc188000000000000000000000000000000000000000000000000000000002eeec540