You can play nearly any URL in XOGO but the tricky thing would be getting your video to automatically play when it loads in your playlist (because with a digital sign you can't click on anything).  A better option is to download the video(s) from YouTube and load them directly into XOGO.  There are lots of free tools for this; probably the best one is: https://www.4kdownload.com/products/product-videodownloader