TemplateAction

{
    "flow_token": "string",
    "flow_action_data": null,
    "thumbnail_product_retailer_id": "string",
    "sections": [
        {
            "title": "string",
            "product_items": [
                {
                    "product_retailer_id": "string",
                    "catalog_id": "string"
                }
            ]
        }
    ]
}