cific way:</p>

<ul>
<li>the protocol properties present on the root level of the user structure,</li>
<li>additinal properties should be encoded/decoded in the nested <code>data</code> container.</li>
</ul>

<p>Here is an example of a JSON responce:</p>
<pre class="highlight swift"><code><span class="p">{</span>
    <span class="s">"id"</span><span class="p">:</span> <span class="s">"alice123"</span><span class="p">,</span>
    <span class="s">"data"</span><span class="p">:</span> <span class="p">{</span> 