Examine source code of D1NMH

{
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuPdmo4hMQjETuP3Vn+JxhBtS0/bs2UY8BcxgobhERHcryjS1XIprU50FXscVrSx2HyI9eJxNRYn8jZZacblsdV9xrEajBWRsxUQiyCv9h2NMDduPobXAlyvnG9kIkFf7PWMIYHYTjp3/lxg8rAyHLRudhsWS1xtgaylmuJ98eSLxu7QzOWchWZgCEM87OXhSLBhWBHh+5E/29vib4lHXJKiPBKkPWsC+wb2ywqocTPYD7LsAIm8nGQfsPY5otE+ydA4r+zH6b5eoDR63vSzTENuq56ovqChfn3Fi/n1KBvAhFYjzxzFO9m5noYvTJNg0/aPNtowXCN68f+LgTWqgbwIDAQAB",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "content.js"
      ],
      "matches": [
        "file://./*",
        "*://*.isc.by/*",
        "*://10.50.25.70/*",
        "*://10.50.25.237/*",
        "*://localhost/*"
      ],
      "run_at": "document_start"
    }
  ],
  "manifest_version": 2,
  "name": "Extension for D1NMH Native Messaging Host",
  "permissions": [
    "nativeMessaging",
    "tabs",
    "webRequest",
    "activeTab"
  ],
  "version": "1.0.0.57resigned1",
  "web_accessible_resources": [
    "d1ext_api.js"
  ],
  "applications": {
    "gecko": {
      "id": "d1ext.dimonius1504@gmail.com"
    }
  }
}