curl --request GET \
  --url https://studio-api.onlytraffic.com/api/external/v1/accounts/{username}/content \
  --header 'X-API-Key: <api-key>'

{
  "success": true,
  "data": {
    "preview": [
      {
        "id": 123,
        "sort": 123,
        "size_bytes": 123,
        "thumbnail_url": "<string>",
        "original_url": "<string>"
      }
    ],
    "gg": [
      {
        "id": 123,
        "sort": 123,
        "size_bytes": 123,
        "thumbnail_url": "<string>",
        "original_url": "<string>"
      }
    ],
    "total_size_bytes": 123,
    "urls_expire_in_seconds": 259200
  }
}