Transaction not yet indexed

MWE6FYMP8xjoZtmeAMD9q9kf6m5zA2kUdaCtwyhvQkCT7bsqMJeZP1tMdXXwEXny18CBaRNats1qf9pprd2MBKS

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