Transaction not yet indexed

21k6PiBU3t18HgUSzXsLUfq8X3dJBPwfdKtfSKRNq5MYyTR2EJpMXMXgEaCfALbFn71ozWHvfg5pWcdUFJsCqNFs

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