curl --request POST \
  --url https://app.herondata.io/api/end_users/{end_user_id_or_heron_id}/decision_logic \
  --header 'Content-Type: application/xml' \
  --header 'x-api-key: <api-key>' \
  --data '<string>'

{
  "_summary": {
    "request_id": "<string>"
  }
}