"parameters":[
      {
         "name":"someParameterName",
         "value":[
            "value 1",
            "value 2"
         ]
      },
      {
         "name":"someAnotherParameterName",
         "value":"another value"
      }
   ]

List<Map<String, Object>>

class Paramater{
   String name;
   Value[] values;
}

class Value{
   String value;
}

class Parameterts{
   Parameter[] parameters;
}