title: Get JSON object node
body: <p>I have a json object and I want to get the value of :
  entities > media > sizes > large > h</p>
  
  <p>Is there a way to get it like XML -> Xpath method?</p>
  
  <p>This is extra lines that is irrelevant to question just because of ...                    </p>
  
  <pre><code>{
    "created_at": "Sun, 01 Jan 2012 17:05:32 +0000",
    "entities": {
      "user_mentions": [
        {
          "screen_name": "nurdanterbiyik",
          "name": "nurdan",
          "id": 264782080,
          "id_str": "264782080",
          "indices": [
            0,
            15
          ]
        }
      ],
      "media": [
        {
          "id": 153522253777219584,
          "id_str": "153522253777219584",
          "indices": [
            44,
            64
          ],
          "media_url": "http://p.twimg.com/AiFrrSmCMAAdEID.jpg",
          "media_url_https": "https://p.twimg.com/AiFrrSmCMAAdEID.jpg",
          "url": "http://t.co/ZwHN9gvO",
          "display_url": "pic.twitter.com/ZwHN9gvO",
          "expanded_url": "http://twitter.com/emelkiraac/status/153522253773025280/photo/1",
          "type": "photo",
          "sizes": {
            "large": {
              "w": 536,
              "h": 800,
              "resize": "fit"
            },
  </code></pre>