Defaults to { "to": "+91xxxxxxxxxx", "templateName": "image_template_name", "language": "en", "header": { "parameters": [ { "type": "image", "image": { "link": "https://images.unsplash.com =xMjDB8fHx8&auto=format&fit=crop&w=627" } } ] }, "body": null, "button": null }