Transaction not yet indexed

MzkJabfJ4soWg6kE2DnrfPjUy4MWSMsbdfz9FaHEQWimJox1SnDsTLqsoGqd3N6YDGi9qAqiKzu9GCH7QwKnRzR

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