@Dfr41973, if you subscribed to it through Roku, sign into your account at https://my.roku.com using the email address that's displayed on your Roku device under Settings->System->About and you can manage your subscription there.
Roku Community Streaming Expert
Help others find this answer and click "Accept as Solution."
If you appreciate my answer, maybe give me a Kudo.
I am not a Roku employee.