Transaction not yet indexed

21ZaEfTKTV2vnMiw2UxPRoYT5BriAVMuCcKt6f4XT87DWWRVin2djc6Gnx1P7K6SNLuDug4PsqWgYN9PfLzLuAK6

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