shell> curl --dump - http://localhost:8529/_api/graph/graph/vertex/v1

HTTP/<span class="hljs-number">1.1</span> <span class="hljs-number">200</span> OK
content-type: application/json; charset=utf-<span class="hljs-number">8</span>
etag: <span class="hljs-number">781119804</span>

{ 
  <span class="hljs-string">"vertex"</span> : { 
    <span class="hljs-string">"_id"</span> : <span class="hljs-string">"vertices/v1"</span>, 
    <span class="hljs-string">"_key"</span> : <span class="hljs-string">"v1"</span>, 
    <span class="hljs-string">"_rev"</span> : <span class="hljs-string">"781119804"</span>, 
    <span class="hljs-string">"optional1"</span> : <span class="hljs-string">"val1"</span> 
  }, 
  <span class="hljs-string">"error"</span> : <span class="hljs-literal">false</span>, 
  <span class="hljs-string">"code"</span> : <span class="hljs-number">200</span> 
}