title: decode response cmd to utf-8
body: <p>The request in cmd:</p>
  
  <pre><code>curl -G -k https://api-ip.fssprus.ru/api/v1.0/result?" -d "@/test/request11.JSON" -o "/test/response11.JSON" -D "/test/hdrout2.HDR" -H "accept: application/json; charset=utf-8"
  </code></pre>
  
  <p>and get response</p>
  
  <pre><code>{"status":"success","code":0,"exception":"","response":{"status":0,"task_start":"2018-05-16 10:58:42","task_end":"2018-05-16 10:58:45","result":[{"status":0,"query":{"type":1,"params":{"region":"16","firstname":"\u0418\u0432\u0430\u043d","secondname":"\u0418\u0432\u0430\u043d\u043e\u0432\u0438\u0447","lastname":"\u0418\u0432\u0430\u043d\u043e\u0432","birthdate":"11.06.1975"}},"result":[]}]}}
  </code></pre>
  
  <p>How can I decode encoding so that the answer comes in the form of <code>utf-8</code> ?</p>