Transaction not yet indexed

5h21eG7YYoFKWdEzTAnLyNRDFWUELG6bJfDWMvFmmRCfYg2dmS9aJKBfpyFnSccJ5FyESrQ1e9ZU96HNFi8VH6Bm

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