curl --request POST \
  --url https://saas.pads365.com/rdx/NDS.Services.Authentication/api/v1/ExternalAuthenticationProvider/UploadCertificate \
  --header 'Content-Type: multipart/form-data' \
  --form Stream.CanRead=true \
  --form Stream.CanWrite=true \
  --form Stream.CanSeek=true \
  --form Stream.CanTimeout=true \
  --form Stream.Length=123 \
  --form Stream.Position=123 \
  --form Stream.ReadTimeout=123 \
  --form Stream.WriteTimeout=123 \
  --form 'ExternalAuthenticationProviderId=<string>' \
  --form 'Password=<string>' \
  --form External=true

{
  "Succeeded": true,
  "Message": "<string>",
  "Code": "<string>"
}