Transaction not yet indexed

RExp1ugS7oun8CybzYyMPYNJxNcz2SWfBdpbREmZyi2enU44a4aD1dnZNgC7aEDS7XAgfhCYEksQAjAYhqJ6Hig

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