OBJECT
AdSession is the response object from an Ad Request.
1type AdSession {23# id is the id of the ad.4id: ID! 56# lengthSeconds is the length of the ad being requested in seconds.7lengthSeconds: Int! 89# retryAfterSeconds is the amount of time in seconds remaining for a user to run 10# another ad.11retryAfterSeconds: Int! 1213}