text: {
    "Patient IE": {
      "$ref": "patient.iod.json"
    },
    "Study IE": {
      "$ref": "study.iod.json"
    },
    "Series IE": {
      "$ref": "series.iod.json",
      "General Equipment": {
        "$ref": "equipment.iod.json"
      },
      "VL Photographic Equipment": {
        "$ref":"photographicEquipment.iod.json"
      }
    },
    "Image IE": {
      "General Image And Image Pixel": {
        "$ref": "image.iod.json"
      },
      "SOP Common": {
        "$ref": "sop.iod.json"
      },
      "VL Image And Acquisition Context": {
        "$ref": "vlImageAcquisitionContext.iod.json"
      }
    }
  }