HI,
I send request with postman.And I checked the System -> Log:
Unable to cast object of type 'System.Collections.Generic.List`1[System.Object]' to type 'System.Collections.Generic.Dictionary`2[System.String,System.Object]'.
This error occurred in Nop.Plugin.Api.ModelBinders.JsonModelBinder.BindModel
Code: Dictionary<string, object> propertyValuePaires =
(Dictionary<string, object>)result[rootProperty];