curl --request GET \
  --url https://dashboard.hologram.io/api/1/asyncchangerequests/{requestId} \
  --header 'Authorization: Basic <encoded-value>'

{
  "success": true,
  "data": {
    "id": 123,
    "parent_id": 123,
    "orgid": 123,
    "userid": 123,
    "reference_id": 123,
    "start_time": "<string>",
    "update_time": "<string>",
    "metadata": {},
    "child_ids": [
      123
    ]
  }
}