Transaction not yet indexed

21LKjPJDUWymHfrNSvkuwiGAc8ZrPQEK2aDPvHz1d2BTqm8TBQ2dU9GpMj34MJTw6YaXfbX9ggKHbgYD8nwtdEXW

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