Transaction not yet indexed

21GdMSLpvAp6PZKeaFCMeQdRmDxDaTY63XKmLkUrm2wbAnSjCUms5869qn2ZmWZEdn2ev2k1iHtxtDiqsmXngDHC

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