{
  "name": "flatcar-stable",
  "description": "Flatcar stable",
  "versions": [{
    "version": "2191.4.1",
    "providers": [{
      "name": "virtualbox",
      "url": "https://stable.release.flatcar-linux.net/amd64-usr/2191.4.1/flatcar_production_vagrant_virtualbox.box",
      "checksum_type": "sha256",
      "checksum": "89d5d9cf3f5cc45d192099511c93f6109521cb3876fcda15952f0dbd04544566"
    }]
  }]
}