setFinalPayload method
Sets the final payload for the message, including the encrypted data.
This method combines the original payload with the encrypted cipher payload into the final format ready for transmission.
Parameters:
cipherPayload: The encrypted version of the payload data
Implementation
void setFinalPayload(String cipherPayload) {
_finalSendPayload.addAll(payload);
_finalSendPayload["payload"] = cipherPayload;
}