title: Fabebook pixel test server events
body: <p>I am trying to test server events of a Facebook pixel using Graph API.
  I am getting this response.</p>
  <pre><code> {
    &quot;error&quot;: {
      &quot;message&quot;: &quot;Invalid parameter&quot;,
      &quot;type&quot;: &quot;OAuthException&quot;,
      &quot;code&quot;: 100,
      &quot;error_subcode&quot;: 2804019,
      &quot;is_transient&quot;: false,
      &quot;error_user_title&quot;: &quot;Server Side Api Parameter Error&quot;,
      &quot;error_user_msg&quot;: &quot;Unexpected key \&quot;email\&quot; on param \&quot;$['data'][0]\&quot;.&quot;,
      &quot;fbtrace_id&quot;: &quot;Ajfq0hd3gzSkADpWdh9210O&quot;
    }
  }
  </code></pre>
  <p>Can anyone help me with what I am doing wrong?</p>