curl --request POST \
  --url https://app.myhero.so/document/remove-collaborator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "documentId": "<string>",
  "userId": "<string>"
}
'

{
  "data": {
    "success": true
  }
}