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Hi,
do you know which is the file in charge of adding this json-ld markup on product pages header?

  {
    "@context": "https://schema.org/",
    "@type": "Product",
    "name": "",
    "description": "",
    "category": "",
    "image" :"",
    "sku": "",
    "mpn": ""
    ,"gtin13": ""
        ,
    "brand": {
      "@type": "Brand",
      "name": ""
    }
                ,
    "offers": {
      "@type": "Offer",
      "priceCurrency": "EUR",
      "name": "",
      "price": "",
      "url": "",
      "priceValidUntil": "",
            "image": [","","",""],
            "sku": "",
      "mpn": "",
      "gtin13": "",
      "availability": "https://schema.org/InStock",
      "seller": {
        "@type": "",
        "name": ""
      }
    }
      }