curl --request GET \
  --url https://v2.firstpromoter.com/api/v2/affiliate/assets \
  --header 'Account-ID: <account-id>' \
  --header 'Authorization: Bearer <token>'

[
  {
    "id": 123,
    "name": "<string>",
    "allowed_campaign_ids": [
      123
    ],
    "details": {
      "file_format": "<string>",
      "file_size": 123,
      "image_size": {
        "width": 123,
        "height": 123
      }
    },
    "content": "<string>",
    "landing_page_url": "<string>",
    "asset_type": "<string>",
    "url": "<string>",
    "thumbnail_url": "<string>",
    "uploading": true,
    "category": "<string>",
    "allowed_campaigns": [
      {
        "id": 123,
        "name": "<string>",
        "color": "<string>"
      }
    ]
  }
]