{
    "name": "Generic chat",
    "short_name": "Generic chat",
    "description": "",
    "icons": [
      {
        "src": "https://example.com/new-professional-avatar.png",
        "sizes": "1024x1024",
        "type": "image/jpg"
      }
    ],
    "start_url": "/chat2/PWMaGZrnl0KVLJ6r",
    "background_color": "#ffffff",
    "theme_color": "#007bff",
    "display": "standalone",
    "orientation": "portrait"
  }