HTTP + CSV
         The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /csv/reply/NotificationChange HTTP/1.1 
Host: partnerhub.pbsdealers.com 
Content-Type: text/csv
Content-Length: length
NotificationInfo,IsAsynchronous,UserRequest
"{SerialNumber:String,UserId:0,UserGuid:00000000000000000000000000000000,NotificationType:InboundCall,JSONData:String}",False,String
 
HTTP/1.1 200 OK
Content-Type: text/csv
Content-Length: length
WasSuccessful,Message,ReferenceId,ReferenceNumber
False,String,String,String