Transaction not yet indexed

64c21AKc1GKiyeT3TpBEru477ynqDXi7hdJaoeX5hZsKjBtqc3U3zLK1XQSFEGDJkWoMRUMCyJ2RMVFDcizP6dib

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