Transaction not yet indexed

NkNff5TTuUt2XBgsDMN7rP64pURfzyM19AEJTsWRVgqrfQd9544rUBEtN259e7jNbgs7dYRiSqWWYo7n5RU18bk

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