{
  "name": "flatcar-stable",
  "description": "Flatcar stable",
  "versions": [{
    "version": "1967.4.0",
    "providers": [{
      "name": "virtualbox",
      "url": "https://stable.release.flatcar-linux.net/amd64-usr/1967.4.0/flatcar_production_vagrant_virtualbox.box",
      "checksum_type": "sha256",
      "checksum": "f28526d0547dd83f6e02f4929b3aa1cbfb4e7dac702d2aef4f0836d8414afb85"
    }]
  }]
}