{ "indexes" : ["Card.id", "Pos.id", "Transaction.fraud_reported"], "nodes" : [ { "count_per_worker" : 1250000, "label" : "Card" }, { "count_per_worker" : 1250000, "label" : "Pos" }, { "count_per_worker" : 2500000, "label" : "Transaction" } ], "compromised_pos_probability" : 0.2, "fraud_reported_probability" : 0.1, "hop_probability" : 0.1 }