Examine source code of wwe-unblocker

{
  "description": "Removes the VPN block from WWE Network. VPN block - disappears, that's it, that's all it does. Nothing else. If you don't visit WWE Network, you don't need it. If you don't use a VPN, you don't need it. Only when those two specific things intersect, you might need it and then all it will do is remove the error message.",
  "manifest_version": 2,
  "name": "wwe-unblocker",
  "version": "2.0.100000001",
  "icons": {
    "64": "icon.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://network.wwe.com/*",
    "*://dce-frontoffice.imggaming.com/api/v1/init*",
    "*://dce-frontoffice.imggaming.com/api/v2/realm-settings/domain/network.wwe.com"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "80.0",
      "id": "{32fce4a6-8e10-4971-87a5-c4f4a1f98608}"
    }
  }
}