Transaction not yet indexed

21Y4L3P8aK5qAn7RuQLJsiBSew7yMrXErH2qerVdhbqsdnKBGrtEsGR8exWMhWQRHWFbSAbgp5YCktmK5A1Q8cZK

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