Transaction not yet indexed

3u21a5AYXG866PLG3cMVnCVEfB7nUpQdfsqJTcwy4Zkg4mVZfFiM8iNzpHTeUQS3KkeE6EjdqCyeDDNN3ym281wW

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