Examine source code of Bandcamp Stock

{
  "manifest_version": 2,
  "name": "bandcamp stock",
  "version": "0.72resigned1",
  "icons": {
    "32": "bc_stock_32.png",
    "128": "bc_stock_128.png",
    "512": "bc_stock_512.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "script.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b254bc12-566b-450e-b032-01dde89cee7c}"
    }
  }
}