Transaction not yet indexed

MkkN3D2EtSB21AnA3psvZGGfECXbrM2PFaYYGB6zePYXhePYceCsdYCeHxkXsRV3xjyNfDVeEfpPJTj4HtFA9FJ

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