Transaction not yet indexed

YyKEY1qwpoczPQRQprwc8SzZ7kd9Nej7cUa2ZoC6JrKMYSiecqbPuZ6dEBJAPpznGXjRaZDG3JhUQKBgjNnLjAk

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