Transaction not yet indexed

21Zt2gYfZfRPcc1htqypbv5WMqucyH7kuasPV2ddSRCZuf1HRNET4yVrzMTyQNELS9tSNeYHRvCipVNXtHchyguY

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