pingListenKey method
Keepalive a user data stream to prevent a time out.
User data streams will close after 60 minutes. It's recommended to send a ping about every 60 minutes.
Implementation
Future<Either<String, bool>> pingListenKey() {
return sendRequest(
path: 'fapi/v1/listenKey',
type: RequestType.PUT,
keyRequired: true,
).then((r) => r.isLeft ? Left(r.left) : const Right(true));
}