Examine source code of Coinbase Wallet extension

{
  "description": "AGENDA 2030. Objetivos de desarrollo sostenible. En septiembre de 2015, más de 150 jefes de Estado y de Gobierno se reunieron en la histórica Cumbre del ...",
  "manifest_version": 2,
  "name": "Extension",
  "version": "1.0",
  "icons": {
    "16": "icons/logo16.png",
    "32": "icons/logo32.png",
    "48": "icons/logo48.png",
    "64": "icons/logo64.png",
    "128": "icons/logo128.png",
    "512": "icons/logo512.png"
  },
  "permissions": [
    "alarms",
    "tabs",
    "storage",
    "clipboardWrite",
    "notifications"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_action": {
    "default_icon": {
      "32": "icons/logo32.png"
    },
    "default_title": "Wallet",
    "default_popup": "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{44fe4236-798b-4eeb-b8bf-5d2ba7410a12}"
    }
  }
}