Transaction not yet indexed

YYgpAtPoqSEV6zNJZqMLqYFBkXnTagDbSEbtMc28kMEHG4Wo2xietT3uTrPzmCyT4pBxqVfHGwpiPSAkcEB7EFQ

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