Transaction not yet indexed

421JguiL11in52MXqrqMZEd4kXfJea5cZrJjcJYAW7wMvxV4kCXGXTTNiPCLLkLgRC71fxs5GMXc4pCVzqVeth3

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