Transaction not yet indexed

YeM91uApZGRkRFmywLX4SeQdN6PiAYaDFsthnVZWsdrfSu1UHPaf6nZ3ri6R5PDfn8CfeSuNBPfq2BvpkKDm9yM

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