Examine source code of Netflix Unlocker

{
  "manifest_version": 3,
  "default_locale": "fr",
  "name": "__MSG_extensionName__",
  "version": "1.0.5",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "https://www.netflix.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{8387859a-88f5-4862-9b04-f4592d3c3deb}",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}