Claimed (index_topic_1address from, index_topic_2address to, uint256 amount)
[topic 0]:0xf7a40077ff7a04c7e61f6f26fb13774259ddf1b6bce9ecf26a8276cdd3992683
0x000000000000000000000000420000000000000000000000000000000000004200000000000000000000000000000000000000000000000006f05b59d3b20000