ExtractAsyncData Method
Extracts user data from the DC signing service response.
Syntax
public func extractAsyncData(asyncReply: String) throws -> String
Remarks
Call this method before finalizing the asynchronous signing process to extract the data passed to the ExternalCrypto.Data property on the pre-signing stage.
The Data parameter can be used to pass some state or document identifier along with the signing request from the pre-signing to completion async stage.