Changes to Show customer

added the required property data/created_at to the response with the 200 status

added the required property data/updated_at to the response with the 200 status

the request response's property type changed from string to object for status 404

removed the required property error_class from the response with the 404 status

removed the required property error_message from the response with the 404 status

added the required property class to the response with the 404 status

added the required property documentation_url to the response with the 404 status

added the required property message to the response with the 404 status

added the required property request_id to the response with the 404 status

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