Perhaps I'm going about this wrong, but for handling game memberships, I'm granting a user a membership inventory item that I check for each time they login. Initially it's set to not expire, but if the user cancels their membership, I want to set the expiration date of the membership inventory item to the end date of the billing cycle. Is there a way to update the date of an inventory item, or a different way I should be going about this?
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