Examine source code of Metaverse Identity

{
  "manifest_version": 2,
  "name": "Metaverse Identity Linker",
  "version": "1.0",
  "description": "Metaverse Identity Linker tool for efficient performance. Link and view identities across metaverse platforms.",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "page_action": {
    "default_title": "Metaverse Identity Linker",
    "default_popup": "overlay/mil-panel.html",
    "show_matches": [
      "*://*.opensea.io/*",
      "*://*.sandbox.game/*",
      "*://*.decentraland.org/*",
      "*://*.cryptovoxels.com/*"
    ]
  },
  "background": {
    "scripts": [
      "mil-bg-main.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "lelanapaulusd7421@hotmail.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.opensea.io/*",
        "*://*.sandbox.game/*",
        "*://*.decentraland.org/*",
        "*://*.cryptovoxels.com/*"
      ],
      "js": [
        "mil-dom-scanner.js"
      ]
    }
  ]
}