It's most likely for Disney or Disney+ or whatever they're calling it. If you have multiple Roku devices it's possible that you've inadvertently linked them to different Roku accounts. Check the email addresses that are displayed on each Roku device you have under Settings->System->About. If they're all linked to the same Roku account and you've used that account to check your subscriptions at https://my.roku.com then perhaps @Alex-Roku can look into it for you.
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