Transaction not yet indexed

k91ZQZzVZ3p7DMusGvNdvZPpYnL1CC9Mj3pPgjPfnU3YXFaXKquHCZYRuKugaQvVtVusUvwJKxe6nkk3ujkdPVF

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