Transaction not yet indexed

MemiKNgdsqcni1STeQQuSkFAtJEtaKGe2giWBh4cCNuStSJaEb7kGPrV1kWR1aK97AkMbVvBqL1Nft1eDhHq3Hb

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