Transaction not yet indexed

UK6hzHdcBULAkmjEhWb9TXiRm2RsTB3gCabPv8s3RGEWCnRFMgwPLigV5NS8pBfQPxmCANGFA7DuATCHS516556

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