Transaction not yet indexed

21UKqfrQW5qCfp7bdoKDFwn1mUtbSGpJvHwXC6UHFKCfnDW9SebwJtsqPJSDLakJZADoHqXoQPZAKsZSpXR9XkN3

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