Need a JSON parser for Unity3d
<p>I need to deserialize some JSON objects. I tried to use Tiny-json library, but it's too slow. I tried to use Newtonsoft.Json, but it fails in webplayer with this error:</p>

<pre><code>MissingMethodException: Method not found: 'System.Collections.ObjectModel.KeyedCollection.
</code></pre>

<p>What JSON parser do you recommend?</p>