Transaction not yet indexed

21u6B7ADLAi6PFMw1AvGHjVPPBzaxZQPH9P65C64eJ6K9amXNhgTPURufaE8uVYxMdJUst5RK8FYSZWNx1qADzh5

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