Transaction not yet indexed

21ZnSzNPo68UJk9nYFR19rrQTvtea6y8uiFiVc1TMPGQECHFKfTUEJS557RmjifZroicsBTzJBxcC5u2JfBUiwPc

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