Transaction not yet indexed

ppMHN2kPkoN5ETu5B2h9CgJATHfgfVtKu6ntoirmfY7hsLaa5TEuoW4N4ePCi1aC8FXh5vPg5h2o1c3BbiL45Mk

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