old_contents: from restservice.models import RestService
  
  
  def call_service(instance):
      # lookup service
      # registered services
      services = RestService.objects.filter(xform=instance.xform)
      # call service send with url and data parameters
      for sv in services:
          # TODO: Queue service
          try:
              service = sv.get_service_definition()()
              service.send(sv.service_url, instance)
          except:
              # TODO: Handle gracefully | requeue/resend
              pass
  
new_contents: from restservice.models import RestService
  
  
  def call_service(parsed_instance):
      # lookup service
      instance = parsed_instance.instance
      services = RestService.objects.filter(xform=instance.xform)
      # call service send with url and data parameters
      for sv in services:
          # TODO: Queue service
          try:
              service = sv.get_service_definition()()
              service.send(sv.service_url, parsed_instance)
          except:
              # TODO: Handle gracefully | requeue/resend
              pass
  
subject: use parsed instance instead