Unstaked (uint256 activityId, index_topic_2address user, index_topic_3address token, uint256 amount)
[topic 0]:0x88567e6595ad345e5250569a2c8d8a50ed9db24198350fa907e42d73faf012d5
[topic 1]:0x000000000000000000000000bc4262f6128fb838332bd1d9eb224562da0f2fd0
0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034957444b840e80000