Transaction not yet indexed

1szL64pDVDpz8h7UfqXSSFRNq7WMQGShKY3CLvA4A75ExSY1u6ouuAhw5nBd2pk3StVGqdAnfTKohoU6bDHr5FZ

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