{
  "relationships" : [
    {
      "id" : 0, 
      "name" : "FlightPositions", 
      "originLayerId" : 1, 
      "destinationLayerId" : 0, 
      "originPrimaryKey" : "GlobalID", 
      "originForeignKey" : "FlightPathID", 
      "forwardPathLabel" : "", 
      "backwardPathLabel" : "", 
      "cardinality" : "esriRelCardinalityOneToMany", 
      "composite" : true, 
      "attributed" : false
    }
  ]
}