Transaction not yet indexed

1NiiU1Em2RTKLqs7KPYBvVDJXpDb3tibAqmfB2NSZ1Fu6WH3kxRxoB5mqACMW4r2RL3u9LkTPKg9jwkwbjkLJF9

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