{
  "name": "",
  "gcm_user_visible_only": true,
  "short_name": "",
  "description": "Some Description",
  "start_url": "./",
  "display": "standalone",
  "background_color": "#ade195",
  "theme_color": "#ade195",
  "gcm_sender_id": "490907508801",
  "icons": [{
    "src": "./images/1550691693.png",
    "sizes": "48x48",
    "type": "image/png"
  },{
    "src": "./images/1550691699.png",
    "sizes": "96x96",
    "type": "image/png"     
  },{
    "src": "./images/1550691706.png",
    "sizes": "192x192",
    "type": "image/png"     
  },{
    "src": "./images/1550691713.png",
    "sizes": "512x512",
    "type": "image/png"     
  }]
}