{
  "@context": "https://schema.org/",
  "@type": "BreadcrumbList",
  "itemListElement": [
    {
      "@type": "ListItem",
      "position": 1,
      "item": {
        "name": "Home",
        "@id": "https://example.com"
      }
    },
    {
      "@type": "ListItem",
      "position": 2,
      "item": {
        "name": "Blog",
        "@id": "https://example.com/blog/"
      }
    },
    {
      "@type": "ListItem",
      "position": 3,
      "item": {
        "name": "terms",
        "@id": {
          "Hair": "https://example.com/hair/"
        }
      }
    },
    {
      "@type": "ListItem",
      "position": 4,
      "item": {
        "name": "Bla bla",
        "@id": "https://example.com/bla-bla/"
      }
    }
  ]
}

{
{
  "@context": "https://schema.org/",
  "@type": "BreadcrumbList",
  "itemListElement": [
    {
      "@type": "ListItem",
      "position": 1,
      "item": {
        "name": "Home",
        "@id": "https://example.com"
      }
    },
    {
      "@type": "ListItem",
      "position": 2,
      "item": {
        "name": "Blog",
        "@id": "https://example.com/blog/"
      }
    },
    {
      "@type": "ListItem",
      "position": 3,
      "item": {
        "name": "terms",
        "@id": "https://example.com/hair/"
      }
    },
    {
      "@type": "ListItem",
      "position": 4,
      "item": {
        "name": "Bla Bla",
        "@id": "https://example.com/bla-bla/"
      }
    }
  ]
}