Transaction not yet indexed

Nu2bgTykaohQBpTDJ7MiT7w2rJBrXfe2ducekboSZJzSpwcmZhJUmGRJSfYuGnjEe6iYahknWcGVu2ioPN8xwNB

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