{
  "background_color": "#FFFFFF",
  "display": "standalone",
  "icons": [
    {
      "src": "",
      "sizes": "192x192",
      "type": "image/png"
    }
  ],
  "name": "",
  "short_name": "",
  "start_url": "https://",
  "gcm_sender_id": "103953800507"
}