fetch('http://127.0.0.1:4000/graphql', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Accept': 'application/json',
  },
  body: JSON.stringify({query: "{ name subjects }"})}).then(r => r.json()) .then(data => console.log('data returned:', data));