Hello, I would like to consult account deletion process in the app. We manually delete the user account across many systems including our several databases, mailing lists, customer service ticketing SW, etc. Once we get a deletion request, we find the user via email in our database, but then only work with the unique user ID to proceed with the deletion. So once we delete all the user data, we have no way to track the deletion back to the original email. To sum it up, our manual deletion process is guaranteed to be completed in 14 days, we just don't have a way to contact the user once it is completed as we do not possess user's contact information anymore. Do you have any tips? Do we have to contact them after deletion? Thank you very much.