Transaction not yet indexed

Yu55WSvk3AeASPZ4GUtdHJ78w6U9D9Z18XwQFUzprskiwxJDhPCpcQzvANB69Y9NBAvQdcZ8PVoa9m2UPQfj3GF

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