Transaction not yet indexed

21UuJF5Tr9oZaHNWMYhgDGsmRTHcHAwBTPzp3FWuNPCM1jsQRphprdn1mjrZm1JtCogZAkUtVFAAyuKyRPTNZAHR

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