Währung aus Bestellung auslesen

Hallo,

wir versuchen derzeit die Währung aus einer Bestellung auszulesen, jedoch bekomme ich wenn ich meine Associations hinzufüge keine currencyid mehr übergeben geschweige denn den IsoCode den ich eigentlich möchte. Hat da jemand einen Tipp?
POST → https://wwwXXX.de/stage2/api/search/order
{„associations“:{

"deliveries":

    {"associations":

        {"shippingOrderAddress":[]}

    },

            

"transactions":

    {"associations":

        {"stateMachineState":[]}},

"orderCustomer":{},



"addresses":

    {"associations":

        {"country":[]}},

"lineItems":

    {"associations":

    {"product":[]}},

"salesChannel":

    {"associations":{

        "paymentMethods":[]}},

"stateMachineState":{}

},

"filter":[

    {"value":"open",

    "field":"order.stateMachineState.technicalName",

    "type":"equals"}],

"includes":

    {"order_transactions":["id","stateMachineState"],

    "order_customer":["email","firstName","lastName","customerNumber","vatIds"],

    "country":["iso","name"],"order":["id","orderNumber","lineItems","addresses","deliveries","stateMachineState","orderCustomer","shippinTotal","salesChannelId"],

    "order_line_item":["id","position","quantity","label","unitPrice","productId","payload","productNumer","parentId"],

    "payment_method":["id","name"],

    "order_address":["id","firstName","lastName","street","zipcode","city","company","department","country","phoneNumber"]}}