TokensPurchased (index_topic_1address buyer, uint256 amountIn, uint256 amountOut)
[topic 0]:0x8fafebcaf9d154343dad25669bfa277f4fbacd7ac6b0c4fed522580e040a0f33
0x0000000000000000000000000000000000000000000000000011c37937e08000000000000000000000000000000000000000000000000012189d1ddf51058000