[{"time":1558487254,"user_id":"193","object_id":"115398","message":"Changed product from NVR4COM-2T to NVR4COM2-1T."},{"time":1558487254,"user_id":"193","object_id":"115398","message":"Changed number from 47714 to 47714."},{"time":1558487254,"user_id":"193","object_id":"115398","message":"Changed _attributes from {\"hdd01-installed-capacity\":\"2\",\"hdd02-installed-capacity\":\"\",\"hdd03-installed-capacity\":\"\",\"hdd04-installed-capacity\":\"\",\"hdd05-installed-capacity\":\"\",\"software-version\":\"\"} to Array."}]