Transaction not yet indexed

ubNub87YVfiRo2trR3Jygd7qCNXJvPy6hX8hDYhPa7YF4iym47FtEANqM5UbMdCUXDkPD8DirQLpe2dVQ8EBoqp

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