Transaction not yet indexed

1F21pSWCqLBoV9PuE4B3ztsuApjT8YFjTPm7M8tZPy1QuNsjUVvvAMEZppppWUzkeitciQAqsFDKRyDR3eayNxv

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