title: How to remove all roles from nexus user through swagger UI
body: <p>I am trying to update user in nexus through <code>/beta/security/users/{userId}</code></p>
  <pre><code>Update an existing user.
  {
    &quot;userId&quot;: &quot;dummy&quot;,
    &quot;firstName&quot;: &quot;dummy&quot;,
    &quot;lastName&quot;: &quot;dummy&quot;,
    &quot;emailAddress&quot;: &quot;dummy1@dummy.net&quot;,
    &quot;source&quot;: &quot;default&quot;,
    &quot;status&quot;: &quot;active&quot;,
    &quot;readOnly&quot;: true,
    &quot;roles&quot;: [
      &quot;CC_ssc&quot;
    ],
    &quot;externalRoles&quot;: [
      &quot;string&quot;
    ]
  </code></pre>
  <p>I am trying to remove role <code>CC_ssc</code> through above, but it showed :</p>
  <pre><code>[
    {
      &quot;id&quot;: &quot;PARAMETER roles&quot;,
      &quot;message&quot;: &quot;may not be empty&quot;
    }
  ]
  </code></pre>