curl --request DELETE \
  --url https://api-{region}.sesametime.com/schedule/v1/holidays/{holidayCalendarId}/employees \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "employees": [
    "15547588-2e7e-4ac2-8f8a-3dce978065ba"
  ]
}
'

{
  "data": "",
  "meta": {
    "currentPage": 1,
    "lastPage": 1,
    "total": 1,
    "perPage": 1
  }
}