Examine source code of T-View NoAds

{
  "manifest_version": 2,
  "name": "T-View NoAds",
  "version": "1.0",
  "description": "Removes the annoying ads and the upgrade to pro message in T-View",
  "icons": {
    "128": "icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.tradingview.com/*"
      ],
      "js": [
        "index.js"
      ],
      "run_at": "document_start"
    }
  ]
}