Examine source code of IGExport

{
  "manifest_version": 2,
  "name": "IGExport",
  "version": "4.1.2",
  "description": "Export millions of  records in minutes.",
  "background": {
    "scripts": [
      "src/pages/background/index.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "src/pages/popup/index.html",
    "default_icon": "icon-34.png"
  },
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnrZFk72FLLHysdOaVBwPt7NcsRGSTUulT9b+8IpnHwMzeTdxIIbViF7M3FyPNuwtEQD3s4hqNejq1cRRog6r7+/58Oa5MHypz52bqVvY93ey4kgSahz2FTfd9znXrqrGlE73bJ65X/OSK9VbhAEHteO18NnA9kkmElLBjPhr+DdCVaXd1AcUiV/I5gFJzg7Ye5OX1jjq8FBQEzrQilGMSO++nUhq7N6a7XXaQhy+JJjQ0lqSpKcOutIH3QhJyUtlme5bJ+Tchqtun0zvtTTKlIBQ7HobE4EOlHmbPHUxz/Z18UC2ITJtCYLsXDtXRIq2Jt0xNEsHRXabVOS+aLywjwIDAQAB",
  "icons": {
    "128": "icon-128.png"
  },
  "permissions": [
    "storage",
    "cookies",
    "*://*.instagram.com/*",
    "*://*.cdninstagram.com/*",
    "*://*.fbcdn.net/*",
    "*://*.extfox.pro/*",
    "https://instagram.ftpe4-2.fna.fbcdn.net/*",
    "https://instagram.ftpe4-1.fna.fbcdn.net/*"
  ],
  "web_accessible_resources": [
    "contentStyle.css",
    "icon-128.png",
    "icon-34.png",
    "secure-stripe-payment.jpeg",
    "src/pages/popup/index.html"
  ],
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "{1b01ff7a-c71f-4df1-947e-7fbc170c6218}"
    }
  }
}