curl --request POST \
  --url https://api.hierarch.io/v1/assignment/assign/{company_slug}/{assignment_id}/ \
  --header 'Content-Type: application/json' \
  --header 'token: <api-key>' \
  --data '
{
  "id": 123,
  "section": "<string>"
}
'

{
  "result": "<string>"
}