Transaction not yet indexed

5u9SDsi5ac3iTzsYMkhcfbPqoKio1b5jmPWQkZ4DgkmWcxG23KxjrfDt3gu6ssBXHETrjUZw9dkEpkiNJZ9x8geT

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