title: Curl Command throwing' invalid grant error' on Windows command line
body: <p>I have generated the JWT Token for DocuSign through the <a href="https://jwt.io" rel="nofollow noreferrer">https://jwt.io</a> .The signature is verified.
  Now to obtain the Access token I am using following Command in Curl,on Windows Command line tool.Rrefering the Document <a href="https://developers.docusign.com/esign-rest-api/guides/authentication/oauth2-jsonwebtoken" rel="nofollow noreferrer">https://developers.docusign.com/esign-rest-api/guides/authentication/oauth2-jsonwebtoken</a>.I am getting "invalid Grant".What is the problem with my request?I know my token is correct because the token verifies the signature.</p>
  
  <pre><code>curl --data "grant_type=urn:ietf:params:oauth:grant-type:jwt-bearer&amp;assertion=YOUR_JSON_WEB_TOKEN" --request POST https://account-d.docusign.com/oauth/token
  </code></pre>