curl --request POST \
  --url http://localhost:8080/users/{user_id}/insurance_policies/preview_enrollment_form \
  --header 'Content-Type: application/json' \
  --data '
{
  "benefit_id": "<string>",
  "dependant_ids": [
    "<string>"
  ],
  "nominee_details": "<unknown>",
  "questionnaire_responses": [
    {
      "answer": true,
      "question": "<string>"
    }
  ]
}
'