This is the standard format for digital games on the Switch. It is essentially the same format used by the official eShop.
Search for a trusted source offering the "FIFA 19 NSP Repack." Ensure it includes the v1.02 or v1.03 update for the best stability.
Better tactical awareness from your teammates and opponents.
If using CFW, it is highly recommended to stay offline (using 90DNS or Incognito mode) to avoid a console ban from Nintendo servers.