Transaction not yet indexed

ymn8LS8sKJEUa5k9eX15ThSTuCSCvdJTcJ7wMyCmtqbz1EtpRM284pGvyAgQho2JLzkGwKftdZQdfCbSqBEujGA

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