[{"time":1470882922,"user_id":"123","object_id":"81713","message":"Changed number from 19328 to 19328."},{"time":1470882922,"user_id":"123","object_id":"81713","message":"Changed _attributes from {\"hdd01-installed-capacity\":\"4\",\"hdd02-installed-capacity\":\"\",\"hdd03-installed-capacity\":\"\",\"hdd04-installed-capacity\":\"\",\"hdd05-installed-capacity\":\"\",\"software-version\":\"\"} to Array."}]