Transaction not yet indexed

UMfKDNtkwhuwYyb3ke9RZ9NEf7Yr8RqaPJhFJeTen3avr2ioAxCGk6nPqUUWUXrmU6sSTGZ5v3bFWTcYvSqFQPy

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.