AddOnboardingDocumentsRequest(AddOnboardingDocumentsRequest)

Request payload for adding onboarding documents.

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

{
    "document_type": "string",
    "no_of_documents": 1,
    "content_type": "string",
    "corporate_external_reference": "string",
    "other_document_type": "string"
}