TokenPurchase (index_topic_1address purchaser, uint256 MimAmount, uint256 pTokenAmount)
[topic 0]:0xcd60aa75dea3072fbc07ae6d7d856b5dc5f4eee88854f5b4abf7b680ef8bc50f
0x000000000000000000000000000000000000000000000000137a428519dbecfa000000000000000000000000000000000000000000000000000000968c1da2e4