MerkleRootWasUpdated (bytes32 , address , uint256 )
[topic 0]:0x15319bf77ecd615c161ba4019a1e1ae98132917843dadf374dcba6aff8172f8d
[topic 1]:0x18e709b67266c63219ab40e7fdc0993568b58482b67a2f5c20549317bb99105c
[topic 3]:0x0000000000000000000000000000000000000000000000000000000000000006
0x