Transaction not yet indexed

EnX56ChX8TUnjrwT49F2dpGFwEhpyd1ZWyJ9WeHgeJ64wr5YWePhVkYqRCqsQ6y1vM4VTLG8HWMSaXoAa5SmZ4k

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