DurationUpdate (uint256 oldDuration, uint256 newDuration)
[topic 0]:0x53356ce8408d6a56b0e61bcd41861e12eb5772987856f889e38e4aba4ffa104c
0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002d1cd40