Transaction not yet indexed

21CNAd6niwRhSziP5XBwiGQcb9T6ncQ3Y3LqaYAzvEKnTYkV9uKKBgLQKonuXeaMdvVPkpKQ6sFKAtVB6GuddFsQ

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