curl --request DELETE \
  --url https://api-{region}.sesametime.com/schedule/v1/planners/{plannerId}/shift-assignments/{shiftAssignmentId} \
  --header 'Authorization: Bearer <token>'

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