Create a publishing job to be published by an Author-it Publishing Server.
ID of book to publish.
ID of publishing profile to use.
Priority of job.
List of variables to assign to created publishing job.
Created PublishingJob object.
JSON: http://<Base Address>/Publishing/json/CreatePublishingServerJob
JSON (for IIS): http://<Base Address>/Publishing.svc/json/CreatePublishingServerJob