{ "options": { "encryptedFields": { "escCollection": "enxcol_.test.esc", "eccCollection": "enxcol_.test.ecc", "ecocCollection": "enxcol_.test.ecoc", "fields": [ { "keyId": { "$binary": { "base64": "EjRWeBI0mHYSNBI0VniQEg==", "subType": "04" } }, "path": "value", "bsonType": "int", "queries": { "queryType": "equality", "contention": { "$numberLong": "0" } } } ] } } }