[{"time":1470882916,"user_id":"123","object_id":"81712","message":"Changed number from 19327 to 19327."},{"time":1470882916,"user_id":"123","object_id":"81712","message":"Changed _attributes from {\"hdd01-installed-capacity\":\"4\",\"hdd02-installed-capacity\":\"\",\"hdd03-installed-capacity\":\"\",\"hdd04-installed-capacity\":\"\",\"hdd05-installed-capacity\":\"\",\"software-version\":\"\"} to Array."}]