curl --request POST \
  --url https://api-sandbox.appcharge.com/components/v1/asset \
  --header 'Content-Type: multipart/form-data' \
  --header 'x-publisher-token: <api-key>' \
  --form type=product \
  --form name=gold_coins_icon \
  --form file=@example-file

{
  "id": "507f1f77bcf86cd799439011",
  "name": "gold_coins_icon",
  "type": "product",
  "imageUrl": "https://cdn.appcharge.com/507f1f77bcf86cd799439011_product.png",
  "contentType": "image/png",
  "externalImageUrl": "https://example.com/assets/gold_coins_icon.png"
}