[
  {
    "username": "martin",
    "ssh_keys": [
      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAAbhoySAszm9rtDlkxt1odZyFv4C5rljjKdEUXlcYjh martin@i9"
    ],
    "sudo": true
  }
]