You are unable to redeem a download code and you receive the error code 2813-0055.
If you receive this error code, it indicates the software you are attempting to redeem a download code for has not yet been officially released for purchase on the Nintendo eShop.
Different software titles may become available at different times of day on their release dates.
You can determine if the game is available for purchase by checking the game's page on the Nintendo Switch Nintendo eShop. If it is available for purchase, then the download code should be redeemable for the game.
What to Do:
Wait until the official release time, and then try again.