Transaction not yet indexed

621LfjGov2nfLJcXM7KfHpDqeaGwGDBPBW6vEpp35TkWVVuCe3miZfCoPv1DbrgLwpJV3e2dfCfQex5bnXu5TywT

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