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Relationships : (Cityworks/ServiceLayer_Traffic_Control_Devices)

{"relationships": [
 {
  "id": 0,
  "name": "trSignStructure_has_trSpeedFeedbackSign",
  "backwardPathLabel": "trSpeedFeedbackSign",
  "originLayerId": 17,
  "originPrimaryKey": "FacilityID",
  "forwardPathLabel": "trSignStructure",
  "destinationLayerId": 13,
  "originForeignKey": "StructID",
  "rules": [],
  "cardinality": "esriRelCardinalityOneToMany",
  "attributed": false,
  "composite": false
 },
 {
  "id": 1,
  "name": "trSignStructure_has_trSign",
  "backwardPathLabel": "trSignStructure",
  "originLayerId": 17,
  "originPrimaryKey": "FacilityID",
  "forwardPathLabel": "trSign",
  "destinationLayerId": 21,
  "originForeignKey": "StructID",
  "rules": [],
  "cardinality": "esriRelCardinalityOneToMany",
  "attributed": false,
  "composite": false
 }
]}