curl --request GET \
  --url https://scx-sbx.api.jtl-software.com/v1/seller/meta/{channel}/seller/attributes \
  --header 'Authorization: Bearer <token>'

{
  "attributeListVersion": "2019060115430",
  "sellerAttributeList": [
    {
      "sellerId": "4711",
      "attributeList": [
        {
          "attributeId": "12323",
          "displayName": "Brand",
          "isMultipleAllowed": false,
          "type": "text",
          "values": [
            {
              "value": "Beer"
            },
            {
              "value": "Tee",
              "display": "Wine"
            }
          ],
          "attributeValueValidation": "/^[0-9]{13}$/",
          "conditionalMandatoryBy": [
            {
              "attributeId": "12323",
              "attributeValues": [
                "High"
              ]
            }
          ],
          "conditionalOptionalBy": [
            {
              "attributeId": "12323",
              "attributeValues": [
                "No Frame"
              ]
            }
          ],
          "required": true,
          "recommended": false,
          "section": "Colors and Appearance",
          "sectionPosition": 0,
          "isRepeatableSubSection": true,
          "subSection": "Length",
          "subSectionPosition": 0,
          "description": null,
          "isVariationDimension": true,
          "enumValues": [
            "Blue"
          ]
        }
      ]
    }
  ]
}