Hello, We are lately encountering a lot of "Invalid signature" errors when validating app proxy signatures.Example:The query string is : ?sections[]=sections--17064511996130__cart-drawer&shop=someshop.myshopify.com&logged_in_customer_id=&path_prefix=...

Hi there,  On our Shopify application, we are creating a RecurringApplicationCharge with a price depending on the plan the user selects ($29.99, $59.99, $99.99, etc.)Beside that, we are now planning to introduce usage charges, in order to charge usag...