curl --request GET \
  --url https://api.box.com/2.0/shield_lists \
  --header 'Authorization: Bearer <token>' \
  --header 'box-version: <box-version>'

{
  "entries": [
    {
      "id": "12345678-1234-1234-1234-123456789012",
      "type": "shield_list",
      "name": "My Shield List",
      "content": {
        "type": "country_code"
      }
    }
  ]
}