On PC
In-Game: Go to wallet.xsolla.com > Use the email tied to your OTG account to login > Go in the Purchases Tab
Go to wallet.xsolla.com > Use the email tied to your OTG account to login > Go in the Purchases Tab. From there you can choose the active subscription and click on Non-renew or you can try to refund.
PlayStation
Web: Go on playstation.com > Sign-in to your Account > Click on your Profile Icon > Go in “Manage Subscriptions”
Mobile: Go on the PS App > Sign-in to your Account > Go on the “PS Store” tab > Tap on the options (top-right corner) > Tap on “Subscriptions Management”