Transaction not yet indexed

Nk2tU3reAcqKkLJN2bEhsyvLmejCue1V4q1jcBDudPdeSxP3PNAAdgQDFBgJa76peTPvXPmVBoSQWmnBeh6oV72

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