sample-structure.js

 var slide = {
    "id": 878,
    "template": "3-column",
    "status": "visible",
    "data": {
        "title": "Data title",
        "blocks": [
            {
                "id": 2,
                "type": "text",
                "content": [
                    {
                        "type": "plain",
                        "text": "consectetur adipiscing elit in erat mauris in erat mauris."
                    }
                ]
            },
            {
                "id": 3,
                "type": "text",
                "content": [
                    {
                        "type": "plain",
                        "text": "Lorem ipsum dolor sit amet, consectetur adipiscing elit. In erat mauris."
                    },
                    {
                        "type": "numbered",
                        "text": [
                            "lorem ipsum",
                            "lalalla",
                            "something else"
                        ]
                    }
                ]
            },
            {
                "id": 4,
                "type": "image",
                "content": "image-url.jpg"
            }
        ]
    }
}