curl --request POST \
  --url https://api.app.lastaccountingcompany.com/portal/filings/authorization \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "authorized": true,
  "customer_id": "<string>"
}
'

{
  "ok": true,
  "event_id": "<string>",
  "authorization": {
    "authorized": true,
    "set_by": "<string>",
    "actor": "<string>",
    "ts": "<string>"
  }
}