{
  "name": "flatcar-stable",
  "description": "Flatcar stable",
  "versions": [{
    "version": "3139.2.1",
    "providers": [{
      "name": "virtualbox",
      "url": "https://stable.release.flatcar-linux.net/amd64-usr/3139.2.1/flatcar_production_vagrant.box",
      "checksum_type": "sha256",
      "checksum": "7846e39886ceb4d0066e801a47800a612705a38db1d4e72053a04538538b2d37"
    }]
  }]
}