Changes to Register a custom measure field mapping

added the new required request property entityMetadata/sourceType

removed IntelligenceOperatorEntityMetadata from the entityMetadata request property oneOf list

the entityMetadata request property type changed from no type to object

the entityMetadata response's property type changed from no type to object for status 201

removed the success response with the status 200

added the new optional request property entityMetadata/intelligenceOperator

removed discriminator from entityMetadata request property

added the non-success response with the status 503

added the optional property entityMetadata/intelligenceOperator to the response with the 201 status

removed discriminator from entityMetadata response property for the response status 201

removed IntelligenceOperatorEntityMetadata from the entityMetadata response property oneOf list for the response status 201

added the required property entityMetadata/sourceType to the response with the 201 status

endpoint added