curl --request POST \
  --url https://app.standardmetrics.io/beta/investment/securities/add/ \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "certificates": [],
  "warrants": [],
  "convertibles": [],
  "token_investments": [],
  "token_warrants": [],
  "token_convertibles": []
}
'

{
  "message": "<string>"
}