Transaction not yet indexed

iyypJnPE6UAukxAYFmstfKcWynDa1QqJBWxeFVtfLyGa7Lf5VPgdZjPeUbHzALREBKu9AKPoNpQddrxKi3CHZyc

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