Transaction not yet indexed

NU99Mdr2yCdkkBREpgze4K7u1RPbFAxnBhf2dXM1tDZXwUxP6jzhuGKJw8jLeermXMY4S8y3X7iKeNbowDaB366

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