Transaction not yet indexed

NgHhuSsq5SHLA1aZVKDAchMk6ZYYA7o1bkio4cc3qyrXebETy3CiWVcASj3XqYSTe9UraxATqZc2cZ1WZSNqr21

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