{
  "name": "flatcar-stable",
  "description": "Flatcar stable",
  "versions": [{
    "version": "1855.4.0",
    "providers": [{
      "name": "virtualbox",
      "url": "https://stable.release.flatcar-linux.net/amd64-usr/1855.4.0/flatcar_production_vagrant_virtualbox.box",
      "checksum_type": "sha256",
      "checksum": "7e07dd1454a0e1ca9513675ead38299eb244a2bf24ab66c693b33a56556c491f"
    }]
  }]
}