[{"time":1569212819,"user_id":"193","object_id":"117742","message":"Changed number from 50066 to 50066."},{"time":1569212819,"user_id":"193","object_id":"117742","message":"Changed _attributes from {\"hdd01-installed-capacity\":\"2\",\"hdd02-installed-capacity\":\"\",\"hdd03-installed-capacity\":\"\",\"hdd04-installed-capacity\":\"\",\"hdd05-installed-capacity\":\"\",\"software-version\":\"\"} to Array."}]