Transaction not yet indexed

MTf6otdWrkXHHYrbN8KN1VPVvn5B3y2TxSboxPDn1fpaYHcu5VmqemxJS3w2M4D5HPgSB8QjPi1ucKKshKEAKET

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