curl --request POST \
  --url https://api2.rhombussystems.com/api/org/removePendingRegistration \
  --header 'Content-Type: application/json' \
  --header 'x-auth-apikey: <api-key>' \
  --header 'x-auth-scheme: <x-auth-scheme>' \
  --data '
{
  "serialNumber": "<string>"
}
'

{}