Transaction not yet indexed

YLf9QQHTa4ZtAejTFXwXqBqBCM6AqBT6gAG8R2X53B46mqbUo9wtmiYaBKPzWLsGzuymqpTSgxSX2eFVzw7LPer

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