{
    "productName": "Sencha Touch",
    "version": "2.0 Beta",
    "sampleData": [
        {
            "foo": "bar",
            "desc": "This sample content is loaded from the server."
        }
    ]
}

contentView.setHtml(Ext.decode(response.responseText).sampleData[0].desc);

[
    {
        "id": 7,
        "answers": [
            {
                "id": 6,
                "answer": "1",
                "isCorrect": false
            },
            {
                "id": 7,
                "answer": "5",
                "isCorrect": false
            },
            {
                "id": 5,
                "answer": "3",
                "isCorrect": true
            }
        ],
        "question": "1+2=?"
    },......
    
]