Examine source code of PSStore Header Patch

{
  "name": "PSStore Header Patch",
  "version": "1.1",
  "manifest_version": 2,
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "https://store.playstation.com/*",
    "https://static.playstation.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  }
}