WithdrawalRequested (index_topic_1address user, uint256 amount)
[topic 0]:0xe670e4e82118d22a1f9ee18920455ebc958bae26a90a05d31d3378788b1b0e44
0x000000000000000000000000c641b6a347eefe9ab629317820b0bcf5e8ca83ad000000000000000000000000000000000000000000000000000000015b9c8786