Transaction not yet indexed

MX66nXhqQaAjFm7S1p25k9WrzNrhvQDyLhdd8v5dkSxFzfookDbdecit6hu4tKv7fh7Xb2swP4naV9UCK7z3NBs

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