MintingAgentChanged (address addr, bool state)
[topic 0]:0x4b0adf6c802794c7dde28a08a4e07131abcff3bf9603cd71f14f90bec7865efa
0x00000000000000000000000091b50842490d83edf39441bee183f16ddd017cc40000000000000000000000000000000000000000000000000000000000000001