@NyX71
As usual? How many times have you done it, and what did you do last time?
Maybe try that again….
Or:-
https://help.nowtv.com/article/make-a-data-request
Set a Payment PIN on your account so that no-one but you can buy memberships on it.
Check your bank accounts monthly for any other unexpected payments to Now.
That way you can at least nip them in the bud, while you and Now figure out whose fault they are.