ViberRichCard

{
    "richCards": [
        {
            "title": "Rich card title",
            "description": "Rich card description",
            "image": "Rich card image url",
            "suggestions": [
                {
                    "action": "open-url",
                    "text": "example",
                    "postbackData": "https://example-url"
                }
            ]
        }
    ]
}