Transaction not yet indexed

MkhjbLdR8aRuLY2y1gdNjYSSvF2CbZQTzXSQoFhtYm6r2uBCDGvY77G9K7nbK15U3NqbtVCf66penAoASEv2NfZ

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