Examine source code of RainbowChat - Premium

{
  "manifest_version": 3,
  "name": "RainbowChat - Premium",
  "version": "4.0.0",
  "description": "Extensão com a finalidade de alterar a cor e mostrar o tempo da última mensagem nas abas de ticket abertas no Zendesk.",
  "permissions": [
    "activeTab"
  ],
  "host_permissions": [
    "https://blingcenterhelp.zendesk.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://blingcenterhelp.zendesk.com/agent/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "icon16-rb.png",
    "48": "icon48-rb.png",
    "128": "icon128-rb.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1c6012ee-2829-4839-98b3-f478f496ae7f}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "128.0"
    }
  }
}