Transaction not yet indexed

MtknUh21WCEUgeCwg52YkePbAUmuo4ihdPP4SRSj7raVSW8LcCpAm8SKDrf9d7i16W5HMW6CCnNcs6qoii6Mea9

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