SetRouter (index_topic_1uint32 domain, bytes32 previousRouter, bytes32 newRouter)
[topic 0]:0xe1cc453e5e6d48a5e3dd7dc6c72117211d2bea20fbb91fd980ebc3e7f73fe546
[topic 1]:0x00000000000000000000000000000000000000000000000000000000706f6c79
0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000cec158a719d11005bd9339865965bed938beafa3