curl --request POST \
  --url http:///%7B{baseurl}%7D/api/v1/client/{environmentId}/displays \
  --header 'Content-Type: application/json' \
  --data '{
  "surveyId": "{{surveyId}}",
  "userId": "{{userId}} (optional)"
}'

{
  "data": {
    "id": "clvc1z8200006494jgnds7ort"
  }
}