Staked (index_topic_1address holder, uint256 amount, uint256 assets, index_topic_4uint256 timestamp)
[topic 0]:0xb4caaf29adda3eefee3ad552a8e85058589bf834c7466cae4ee58787f70589ed
0x0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000016345785d8a00000000000000000000000000000000000000000000000000000000000066e999a0