Booking HB without Paxname

{
  "holder": {
    "name": "Filbert",
    "surname": "Limena"
  },
  "rooms": [
    {
      "rateKey": "20190329|20190330|W|325|61836|DBT.SU|FIT-BB|BB||1~2~0||N@A992BD87C46445B1545806519042AWID00001630054000508101536e9",
      "paxes": [
        {
          "roomId": "1",
          "type": "AD"
        },
        {
          "roomId": "1",
          "type": "AD"
        }
      ]
    }
  ],
  "clientReference": "HB18122600001",
  "tolerance": "0.02",
  "remark": "Request warm water"
}