example.json

{
    "lessons": [
    {
        "id": 5,
        "content": [
        {
            "color": "#FFFFFF",
            "text": "Hello World!"
        }]
    },
    {
        "id": 6,
        "content": [
        {
            "color": "#FF0000",
            "text": "var "
        },
        {
            "color": "#FFFFFF",
            "text": "x = "
        },
        {
            "color": "#0000FF",
            "text": "1"
        }]
    },
    {
        "id": 7,
        "content": [
        {
            "color": "#FF0000",
            "text": "var "
        },
        {
            "color": "#FFFFFF",
            "text": "number = "
        },
        {
            "color": "#0000FF",
            "text": "1"
        }],
        "input": {
            "startIndex": 4,
            "endIndex": 10
        }
    }]
}