Get booking availability for a meeting type

curl --request GET \
  --url https://api.example.com/v4/booking-availability

{
  "timezone": "<string>",
  "timeframes": [
    {
      "start": "<string>",
      "end": "<string>",
      "unavailabilityEvent": {
        "hostId": "<string>",
        "hostName": "<string>",
        "type": "event",
        "picture": "<string>"
      }
    }
  ],
  "dates": [
    {
      "date": "<string>",
      "spots": [
        {
          "startTime": "<string>",
          "unavailabilityEvents": [],
          "appointment": {
            "id": "<string>",
            "totalSpots": 123,
            "takenSpots": 123
          }
        }
      ]
    }
  ],
  "earliestAvailableDate": "<string>"
}