sful, the reason the request failed.</li>
						<li><b>cache</b>? <span>(object)</span> &mdash; If successful, <a class="link" href="#cachedata">data about how this request was cached</a>.</li>
						<li><b>data</b>? <span>(object)</span> &mdash; If successful, the requested data:<ul>
							<li><b>user</b> <span>(object)</span> &mdash; The requested user:<ul>
								<li><b>_id</b> <span>(string)</span> &mdash; The user's internal ID.</li>
								<li><b>username</b> <span>(string)</span> &mdash; The user'