Get product metadata

curl --request GET \
  --url https://api.oneofnone.io/v1/metadata/{collectionSlug}/{tokenId}

{
  "name": "<string>",
  "description": "<string>",
  "external_url": "<string>",
  "image": "<string>",
  "animation_url": "<string>",
  "attributes": [
    {
      "trait_type": "<string>",
      "value": "<string>"
    }
  ]
}