{"cat_dims": {"merchant": 693, "category": 14, "gender": 2, "city": 849, "state": 50, "job": 478, "cc_num": 904, "zip": 912}, "num_cols_map": {"amt": 0, "hour": 1, "day_of_week": 2, "is_weekend": 3, "age": 4, "distance_customer_merchant": 5, "state_mismatch_flag": 6, "merchant_fraud_rate": 7, "merchant_txn_count": 8, "lat": 9, "long": 10, "merch_lat": 11, "merch_long": 12, "city_pop": 13, "unix_time": 14, "time_diff_cc": 15, "cc_avg_amt_last_5": 16, "cc_std_amt_last_5": 17, "cc_max_amt_last_5": 18}, "embed_dim": 8, "model_type": "Proposed MoE Fraud Model"}