in src/producer.js [274:287]
async function requestCopy(evt) {
evt.EventType = "snapshot-copy-request";
let data = await sts.getCallerIdentity({}).promise();
if (DEBUG > 2) console.debug(`STS Caller Identity: ${JSON.stringify(data)}`);
evt.SourceAcct = data.Account;
let p3 = {
TopicArn: dr_topic_arn,
Subject: "DRACO Event",
Message: JSON.stringify(evt)
};
let output = await sns.publish(p3).promise();
console.info(`Published: ${JSON.stringify(evt)}`);
if (DEBUG > 0) console.debug(`Publish response: ${JSON.stringify(output)}`);
}