Changes to Create Subscription

added the new optional request property priceId

the request property amount became optional

the request property currency became optional

the request property interval became optional

added the optional property priceId to the response with the 200 status

added the optional property productId to the response with the 200 status

added the new optional request property customerId

added the optional property customerId to the response with the 200 status

the lastOrderId response's property pattern ^[a-zA-Z0-9_@./#&+-]{1,40}$ was added for the status 200

added the optional property lastProration to the response with the 200 status

added the optional property lastProrationAt to the response with the 200 status

added the new optional request property trialAmount

added the new optional request property trialIntervalCount

added the optional property trialAmount to the response with the 200 status

added the optional property trialIntervalCount to the response with the 200 status

added the new PAID_OUT enum value to the lastPayment/status response property for the response status 200

added the new PENDING_PROCESSING enum value to the lastPayment/status response property for the response status 200

added the new discover enum value to the paymentMethod/card/brand response property for the response status 200

added the new quarter enum value to the interval response property for the response status 200

added the new quarter enum value to the request property interval