title: convert curl command to Rcurl
body: <p>How do I convert this command:</p>
  
  <pre><code>curl -v -u abcdefghij1234567890:X -H "Content-Type: application/json" -X GET 'https://domain.freshdesk.com/api/v2/tickets'
  </code></pre>
  
  <p>to </p>
  
  <p><code>curl</code> command in Rcurl?</p>