Get the nominative onboarding file of a holder registry entry.

get https://api.t-dx.com/api/rest/v1/holder-registries/{registryId}/entries/onboardings/{onboardingId}/attributes/{attributeId}/file/{fileName}

This endpoint retrieves nominative onboarding file.It is accessible to issuers exclusively when the client account is or has been associated with the registry ID specified in the query string.