{"object_type":"df_transaction_reference","event_type":"DATASET_ACQUISITION","buyer":"NVIDIA","seller":"Gretel","asset_description":"Synthetic data generation platform and privacy-preserving AI training data infrastructure","reported_price":"$320,000","confidence":"High","region":"US","_attribution":{"source":"DatFlash","publisher":"DataUniversa","retrieved":"2025","note":"Observed transaction reference. No normalization or appraisal applied."}}