{
  "name": "flatcar-stable",
  "description": "Flatcar stable",
  "versions": [{
    "version": "1800.4.0",
    "providers": [{
      "name": "virtualbox",
      "url": "http://jenkins-flatcar/stable/boards/amd64-usr/1800.4.0/flatcar_production_vagrant_virtualbox.box",
      "checksum_type": "sha256",
      "checksum": "f347e9ab3c92e05f3d08b20e1a3224e7dae1e7a09d9b3ddbc2efb7f06208e0cb"
    }]
  }]
}