Transaction not yet indexed

5i21TFBVsPhYfpnwtVnuc9YfE8evMEyC5Bq1mnBRvxSH1q2myfd8mNfCam772Vj3iVjeDyKRUPMXrrdPBTk58SkE

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