Transaction not yet indexed

21CzB688WaXM4UTvxpKKGXSiJuJ36Z4VFa2YPQ83GH9g2tM76iPtELRUh9qDaZFwyBf2z1q15WNgUGnvxu5iXqY7

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