Changes to Change payment method

the data response's property type changed from no type to object for status 200

api operation id change-payment-method-on-subscription removed and replaced with change-payment-method

added the optional property data/card to the response with the 200 status

added the optional property data/id to the response with the 200 status

added the optional property data/payPal to the response with the 200 status

added the optional property data/status to the response with the 200 status

added the optional property data/subscription to the response with the 200 status

added the optional property data/type to the response with the 200 status