curl --request POST \
  --url https://api.hierarch.io/v1/assignment/create/{company_slug}/ \
  --header 'Content-Type: application/json' \
  --header 'token: <api-key>' \
  --data '
{
  "title": "<string>",
  "description": "<string>",
  "remarks": "<string>",
  "product_id": 123
}
'

{
  "result": "<string>"
}