Claimed (index_topic_1address user, index_topic_2address claimant, index_topic_3uint256 amount, uint256 timestamp)
[topic 0]:0x2f6639d24651730c7bf57c95ddbf96d66d11477e4ec626876f92c22e5f365e68
[topic 3]:0x0000000000000000000000000000000000000000000000000000000000000001
0x00000000000000000000000000000000000000000000001e7e4171bf4d3a0000