{
  "name": "flatcar-stable",
  "description": "Flatcar stable",
  "versions": [{
    "version": "2191.4.0",
    "providers": [{
      "name": "virtualbox",
      "url": "https://stable.release.flatcar-linux.net/amd64-usr/2191.4.0/flatcar_production_vagrant_virtualbox.box",
      "checksum_type": "sha256",
      "checksum": "f9670edb4f4a1d4d615229ce23ef4e954ff075606a626faec920f3cc3cb720df"
    }]
  }]
}