TokensExchanged (index_topic_1address stableSwapPool, address fromToken, address toToken, uint256 fromAmount, uint256 toAmount)
[topic 0]:0xe065ccf331737789c42691e445bb680198682dadf51e4de1f877c48ef40a54e5
0x0000000000000000000000001c7d4b196cb0c7b01d743fbc6116a902379c7238000000000000000000000000e228bec182d4b0bd3a4945cf4b7dd1ff77c075c400000000000000000000000000000000000000000000000000000000000003e800000000000000000000000000000000000000000000000000038d34df0b3487