Transaction not yet indexed

421PGwp3kqtAcMqq2khpvLFUpmGHuCdsfQrdmHA4XsKrx79T8GXzsMEXUsnTBWhH8sUuSrnAzAePg1bdPdKyLBT3

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