Builds and returns the Map<string, Transaction> as a JSON.
The canonicalized JSON of Map<string, Transaction>.
Sets the transaction ID, message, and request type for the sign request. Ensures that each transaction ID is only set once.
The transaction ID.
The message to be signed.
The type of the sign request.
The builder instance.
Builder class for constructing request payload for DSG. The returned value from
build()is the value ofmessagefield of SignSetupOpts.