Changes to Create a subscription for an API Product

request body became required

the endpoint scheme security BearerAuth AND DeveloperIDHeader was added to the API

the status response's property default value 400 was removed for the status 400

the status response's property default value 401 was removed for the status 401

added the new 400.00 enum value to the status response property for the response status 400

added the new 401.00 enum value to the status response property for the response status 401

the status response's property default value 400 was added for the status 400

the status response's property default value 401 was added for the status 401