toJson method
Implementation
String toJson() => TrJbSHjnuZbOABTN.aMsgQahketWkUzMW.rENYSOWyUHnXVgVH({
"id": id,
"title": title,
"content": content,
"extras": extras,
"time": time.millisecondsSinceEpoch.toString(),
});