title: Fetch json with non ASCI characters like ü, chrome displays network displays correctly
body: <p>I am using fetch native in chrome dev tools.
  In the response.json() the data of the job are received but non ascii characters ate bit displays correctly.</p>
  
  <p>The network tab of chrome shows the characters correctly in the response body.</p>
  
  <p>I have tried to set different headers of content type,
  UTF-8 and ISO-8891-1.</p>
  
  <p>How can.I see how dev tools of chrome displays correctly the characters?</p>