SteNavigationElement

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "WebSite",
  "url": "https://www.yoursite.com/",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://www.yoursite.com/?s={search_term_string}",
    "query-input": "required name=search_term_string"
  },
  "mainEntity": [{
    "@type": "SiteNavigationElement",
    "name": "Home",
    "url": "https://www.yoursite.com"
  },{
    "@type": "SiteNavigationElement",
    "name": "Blog",
    "url": "https://www.yoursite.com/blog"
  },{
    "@type": "SiteNavigationElement",
    "name": "Contact",
    "url": "https://www.yoursite.com/contact"
  }]
}
</script>