Add a form field

curl --request POST \
  --url https://api.helpyousponsor.com/v1/admin/form/field/{id}/{type} \
  --header 'Content-Type: application/json' \
  --header 'X-HYS-API-Key: <api-key>' \
  --data '
{
  "client_id": "<string>",
  "field_label": "<string>",
  "field_data": "<string>",
  "field_type": "hysText",
  "permissions": "public",
  "hysform_id": 123,
  "type": "entity"
}
'

{
  "message": "<string>"
}