DurationSet (uint256 , uint256 )
[topic 0]:0x687a9f46946b542f31628993fad807afcbd64a76f29afd6b7b86e23a42b3720c
[topic 1]:0x0000000000000000000000000000000000000000000000000000000000000003
0x00000000000000000000000000000000000000000000000000000000000000b4