I signed up for a year of Nintendo Switch Online and received this code. I don't have Splatoon 2 so someone else should get good use out of it. Please reply that you've used it so that others don't have to try.
Thank you for purchasing a 12-month Individual Membership for Nintendo Switch Online. You have qualified to receive an Online Jersey and Online Squidkid V Shoes for your character to wear in the Splatoon 2™ game.
Your download code is below.
To redeem your code:
1. Select "Nintendo eShop" on the HOME Menu of your Nintendo Switch console.
2. Select the account you want to use.
3. Select "Enter Code" on the left side of the screen.
4. Enter the download code and select "OK" to confirm. Your additional content will begin downloading once the code is confirmed.