Transaction not yet indexed

55u1PW8kzVp7yEJexeBRE2iFd2rh3nJr9mkeGFhT8PFNqHhhikwbgUkHUfzPvqyJKqnQfYw2qgmGiGk1G1PgkXo1

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