Transaction not yet indexed

21F8QtaagWCZiNmybCVemfjtXoKDqyD5MAnuJqqerkddS1NHTmZyaXWRaJWRrCdJJspUcad2c8vR1VQRibcrTQbN

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