Transaction not yet indexed

664Mem6mR2YY34a51CRkpVUTSWoNeStKVS7k9WKYR9X6gSNrrP5WDT7aHCvARKU3uVHyxgxpvT2VTeNkVEzxJGE7

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