Examine source code of SoundCloud Follow Bot

{
  "manifest_version": 3,
  "name": "SoundCloud Follow Bot",
  "description": "SoundCloud Follow Bot automatically follows someone's followers for you",
  "author": "Sprise",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://soundcloud.com/*",
    "https://sprise-api.xyz/*"
  ],
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "1.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "{a3b2c1d4-5e6f-4789-90ab-cdef12345678}"
    }
  },
  "icons": {
    "16": "assets/logo.png",
    "48": "assets/logo.png",
    "128": "assets/logo.png"
  },
  "action": {
    "default_popup": "popup/payment.html"
  },
  "content_scripts": [
    {
      "js": [
        "content/content.js"
      ],
      "matches": [
        "https://soundcloud.com/*"
      ]
    }
  ]
}