def submit_certificate(pdata, privateKey):
// Create and submit a certificate
String certificateData = String.format(
"{\"message\": \"%s\" }",
message,
);
account.submitCertificate(certificateData, PRIVATE_KEY);
{
"Result":200,
"Response":{
"TxID":"your_tx_id",
"Timestamp":"your_timestamp_in_format_YYYY:MM:DD-HH:MM:SS_UTC"
},
"Node":"selected_node_address"
}