AddOnboardingDocumentsRequest(AddOnboardingDocumentsRequest)

Request payload for adding onboarding documents.

Used to request pre-signed upload URLs for supporting documents
required during corporate onboarding.

{
    "documentType": "string",
    "noOfDocuments": 1,
    "contentType": "string",
    "corporateExternalReference": "string",
    "otherDocumentType": "string"
}