curl --request POST \
  --url https://api.vambe.me/api/public/apps/{appId}/events/product \
  --header 'Content-Type: application/json' \
  --header 'x-vambe-signature: <x-vambe-signature>' \
  --header 'x-vambe-timestamp: <x-vambe-timestamp>' \
  --data '
{
  "product": {
    "external_id": "<string>",
    "name": "<string>",
    "description": "",
    "price": 1,
    "currency": "<string>",
    "sku": "<string>",
    "file_url": "<string>",
    "image_urls": [
      "<string>"
    ],
    "metadata": [
      {
        "key": "<string>",
        "value": "<string>"
      }
    ]
  }
}
'