product page json ld structured data

gistfile1.txt

<script type="application/ld+json">
{
  "@context": "http://schema.org/",
  "@type": "Product",
  "name": {{ product.title | json }},
  "url": {{ request.origin | append: product.url | json }},
  {% if seo_media -%}
    "image": [
      {{ seo_media | image_url: width: 1920 | prepend: "https:" | json }}
    ],
  {%- endif %}
  "description": {{ product.description | strip_html | json }},
  {% if product.selected_or_first_available_variant.sku != blank -%}
    "sku": {{ product.selected_or_first_available_variant.sku | json }},
  {%- endif %}
  "category": {{ product.type | json }},
  "brand": {
    "@type": "Brand",
    "name": {{ product.vendor | default: shop.name | json }}
  },
  "offers": [
    {%- for variant in product.variants -%}
      {
        "@type" : "Offer",
        {%- if variant.sku != blank -%}
          "sku": {{ variant.sku | json }},
        {%- endif -%}
        {%- if variant.barcode.size == 12 -%}
          "gtin12": {{ variant.barcode | json }},
        {%- endif -%}
        {%- if variant.barcode.size == 13 -%}
          "gtin13": {{ variant.barcode | json }},
        {%- endif -%}
        {%- if variant.barcode.size == 14 -%}
          "gtin14": {{ variant.barcode | json }},
        {%- endif -%}
        "availability" : "http://schema.org/{% if variant.available %}InStock{% else %}OutOfStock{% endif %}",
        "price" : {{ variant.price | divided_by: 100.00 | json }},
        "priceCurrency" : {{ cart.currency.iso_code | json }},
        "priceValidUntil": "{{ 'now' | date: '%s' | plus: seconds_price_valid | date: '%Y-%m-%d' }}",
        "url" : {{ request.origin | append: variant.url | json }}
      }{% unless forloop.last %},{% endunless %}
    {%- endfor -%}
  ]
}
</script>