Get catalog column list

Example response

{
  "catalogColumns": [
    {
      "ignored": "true",
      "duplicateProductValueConfiguration": {
        "strategy": "KeepFirstDuplicateProductOnly",
        "compareOptions": "IgnoreCase"
      },
      "id": "8a76f06a-fefc-4c0d-bcfe-b210f1482977",
      "catalogColumnName": "SKU",
      "userColumName": "My SKU",
      "configuration": {
        "beezUPColumnName": "CategoryFirstLevel",
        "columnImportance": "Required",
        "columnDataType": "String",
        "columnCultureName": "fr-FR",
        "columnFormat": "MM/dd/yyyy",
        "canBeTruncated": "false",
        "displayGroupName": "Category"
      }
    }
  ]
}