If you subscribed to this through CapCut then you will have to deal with CapCut about the subscription. If you subscribed through Apple then you will have to deal with Apple about the subscription.
Once you double clicked, you agreed to subscribe to and pay for the subscription unless you canceled the trial at least 24 hours before the trial ended. Apple's way of handling this is you have to pay for the subscription and then you can ask for a refund (which is not guaranteed). Until you pay, Apple won't let you do additional downloads.
You can call Apple and ask them but I have not seen anybody report here that there was a different resolution.
Review the information in this support article by clicking on the link to learn how to cancel a subscription from Apple. ➔ https://support.apple.com/118428
If you subscribed to this directly with a third party, see: https://support.apple.com/118126 instead. You need to work directly with the vendor, not Apple.
This support article has various country telephone numbers for contacting Apple for support and service ➔ https://support.apple.com/106932 Scroll down to “Connect with live support”. If your country is not in the list, go to the “Other countries” entry at the end of the list and click on the “options” link. Not every country has telephone support, and phone numbers may only work when calling from the same country.
For chat, you can try using the Apple Support App —> https://apps.apple.com/app/apple-support/id1130498044
For chat help with a USA Apple Account —>
https://getsupport.apple.com/?caller=kbase&PGF=PGF63005&category_id=SC0998&symptom_id=20198
