Examine source code of Twitter Red

{
  "manifest_version": 2,
  "name": "Twitter Red",
  "description": "brittle way to catch $8 verified users red handed (badged)",
  "version": "0.0.1",
  "icons": {
    "64": "icons/icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitter.com/*"
      ],
      "js": [
        "content_script.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ebe83815-f676-455f-bf51-67da43097642}"
    }
  }
}