[{"time":1470877484,"user_id":"123","object_id":"83233","message":"Changed number from 20831 to 20831."},{"time":1470877484,"user_id":"123","object_id":"83233","message":"Changed _attributes from {\"hdd01-installed-capacity\":\"2\",\"hdd02-installed-capacity\":\"\",\"hdd03-installed-capacity\":\"\",\"hdd04-installed-capacity\":\"\",\"hdd05-installed-capacity\":\"\",\"software-version\":\"\"} to Array."}]