SignerUpdated (address signer, address tokenAddress, bool isValid)
[topic 0]:0xb658b57f3a8d73a4f3bb96789edcebed831f44d5cc4a513d4416c6bb25ea0e8b
0x00000000000000000000000048a6a2f30c3823243e066482a2aba45c50d4e9a6000000000000000000000000721c299e6bf7d6a430d9bea3364ea197314bce090000000000000000000000000000000000000000000000000000000000000000