Working with JSON can be a little tricky since it normally comes in as one long string which means it can be difficult to discover the data structure. I ran into this while pasing the search.twitter.com JSON API and needed a JSON viewer to help me out. A quick Google search later I found JsonViewer which is a very nice small utility for perusing JSON data. No install necessary.
If you’re working with JSON check it out.
lekkimworld.com 
http://json.bloople.net/
It lets you see the structure of your json file
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