I would like to create a csv file where each row corresponds to an active subscription id, and all of its previous subscription ids. Is there an api call or export operation that can create this? For example Suppose you have subscription A with subscription-id: a. You amend it, and it becomes subscription B with subscription-id: b. You amend it again, and it becomes subscription C with subscription-id: c. Subscription C is active, while A & B are expired. On one row of te csv file, this would be represented as: c,b,a. (Or c,a,b. Order doesn't matter).
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