Transaction not yet indexed

ffExJ5VP2jMSD46wQGYqgPtw9qThGaU61FHPYJSzVRf8UzuHDUD1qNDbyiqzwpyaXH1e2aR6Wg8VaAcB4LagATJ

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