Transaction not yet indexed

NfWe21nSiBoMk7DjNVuHjaPSwCSF4X6PSuzfMd8YmRpKoaBhABWpiUMkRPwPFTC8jGsEZBkUMAw9bAwRNmpe7pS

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