Transaction not yet indexed

Xtkuf558n8Mz8kUsusNNXmpidDpjcLKrUW6yUyL9FsmN41HmtEMsYThR9TzZeEf9dktEdKsPbP1pmUKMA8kBpM2

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