curl '{backend_url}/admin/product-tags/{id}' \
-H 'Authorization: Bearer {access_token}'
{
"product_tag": {
"id": "string",
"value": "string",
"created_at": "2019-08-24T14:15:22Z",
"updated_at": "2019-08-24T14:15:22Z",
"deleted_at": "2019-08-24T14:15:22Z",
"metadata": {}
}
}