Issues or updates usage-based charges to customers

If a usage record doesn't already exist for the submitted customer, product, dimension and start_time hour, a new record will be created. If there is an existing record, the quantity will be updated if the record hasn't already been submitted to the marketplace. However, if the record has already been submitted to the marketplace, a 409 - Conflict error will be returned

Customers can be identified in two different ways: by either providing customer_id and product_id, or by providing subscription_id