Transaction not yet indexed

MLBegAyvSmwrcqsmCeE74qBQPQ6QG9LwbnyLqFYcSR2ymNdtGV3YsoeCRwqhCCDBye1HLXXPcDDNEySb9NPVuX7

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