ProtocolFeeSharesBoughtBack (uint256 , uint256 , uint256 )
[topic 0]:0xf8c67da77ed4cb50a4dec91c60cf78ee219033bd3c55a86d133178c557c2d2cf
0x000000000000000000000000000000000000000000000004ec8b2452d8268e250000000000000000000000000000000000000000000000001f012ca1671e7f0f0000000000000000000000000000000000000000000000000f809650b38f3f87