Transaction not yet indexed

ffL78EJkJBMQJPUWi2FESjYA9ZhVaf88tLC5ZRqmWCaeJPBMaZZvV26TTkWDfLt4vsC1SYryJNeC5pBh5hPD9fE

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