AddContractFuncSig (index_topic_1address _contract, index_topic_2bytes4 funcSig, index_topic_3address sender)
[topic 0]:0x246b022c673a2751245f84dced77afcce61bcd820ff1235276e8c1c242a78f74
[topic 2]:0xba8bfa2a00000000000000000000000000000000000000000000000000000000