[{"time":1470808650,"user_id":"123","object_id":"83534","message":"Changed number from 21132 to 21132."},{"time":1470808650,"user_id":"123","object_id":"83534","message":"Changed _attributes from {\"hdd01-installed-capacity\":\"1\",\"hdd02-installed-capacity\":\"\",\"hdd03-installed-capacity\":\"\",\"hdd04-installed-capacity\":\"\",\"hdd05-installed-capacity\":\"\",\"software-version\":\"\"} to Array."}]