Transaction not yet indexed

21Zz9EZkKfftsKKpredpMjEioJEqfQb3LEvcoJLzi2G4c1RTPSrNvwcss6LGhTjztWxTT5xHnqGqtovT5jVHaUPT

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