Transaction not yet indexed

NMcPbu51aTscAUhkSTdjRdtAxPCordDGf8aXaSpyiWQTSP6pahHDWwGxHJCh7XMfFx4uQjGka3dCC2wbKyBiBh7

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