Cannot sign up for a in game subscription

In this case, you will need to contact our live support Contact us | Xbox Support to check from their end.

Prepaid VISA/Mastercard cards--with very few exceptions--cannot be used to sign up for subscription services.

a child account cannot sign up for subscriptions. You have to be legal age in your country.

Your father's account would have to buy it

no you cannot sign up for any subscription services without a method of payment. As long as you are legally able to open a bank account you should be able to open a PayPal

as a minor you cannot sign a contract for subscription service, and you cannot use your Microsoft account balance to pay for subscriptions. You need to have a credit card or PayPal on file and either pay with a dedicated subscription card or one of those sources