Transaction not yet indexed

21Pf6gvYDkcw8H2vZmf2azXDP8Yk5MLU9DWRuKimCqtcbUBgd3PkK8hp7qMhP2oAA2qfK6rxNHT3LcBi1J8EC1bh

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