Transaction not yet indexed

5Y5KS3msj7jSqYoGASGkzeWEVkpvLM96EzzJ4d4dhzCD1UsHfLDvcqPRUTfdYAgtui7EXqdDDwqv5Gab3BgPbQ21

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