Transaction not yet indexed

MNb6hLHikQdRf2Z8QSU1ZB1Qpu3ZsQXtsfya52Bjvuso7oWtumb69biRpczDcKBRNrbBTkgvebfcDr6RP67gkSx

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