Swap (address fromToken, address toToken, uint256 fromAmount, uint256 toAmount, address trader, address receiver)
[topic 0]:0x73adcdbf2d8fee0c1221daefef436a92c3c640e97ff2941e744bf5eef1ab346f
[topic 3]:0x000000000000000000000000b28ca7e465c452ce4252598e0bc96aeba553cf82