ProofBackgroundSettingChanged (uint256 , bool )
[topic 0]:0xe1d2ef552db249c6be9479ad9394fe3df56cda64f2f34c54f2d6a199a4ef38d6
[topic 1]:0x00000000000000000000000000000000000000000000000000000000000002d4
0x0000000000000000000000000000000000000000000000000000000000000001