curl --request GET \
  --url https://api-{region}.sesametime.com/project/v1/planned-tasks-assignations/{plannedTaskId} \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "entityReference": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "type": "employee"
      },
      "assignedAt": "2020-01-01T10:00:00+01:00"
    }
  ],
  "meta": {
    "currentPage": 1,
    "lastPage": 1,
    "total": 1,
    "perPage": 1
  }
}