JSFiddle - React, Tailwind, and code Playground

CSS

p {
  margin: 0;
  padding: 0;
}

JavaScript

(async () => {
  const res = await fetch('https://www.instagram.com/kfcrussia/?hl=ru');
  const data = await res.text();
  const json = JSON.parse(data.split('_sharedData =')[1].split(';</script')[0]);
  const arr = json.entry_data.ProfilePage[0].graphql.user
  let headers = `
  <h4>${arr.full_name}</h4>
  <h4>Всего ${arr.edge_followed_by.count} подписчиков</h4>
  <h4>Выведено: ${arr.edge_related_profiles.edges.length} подписчиков</h4>`;
  let html = arr.edge_related_profiles.edges.map(i => `<p>${i.node.full_name}</p>`);
  html.unshift(headers);
  document.body.innerHTML = html.join(' ')
})()