Staked (index_topic_1address borrower, uint256 amount, uint256 timestamp)
[topic 0]:0x1449c6dd7851abc30abf37f57715f492010519147cc2652fbc38202c18a6ee90
0x000000000000000000000000000000000000000000000002a509ed55836474ff0000000000000000000000000000000000000000000000000170a4d8ea1eee3d