{
  "record" : {
    "int_field": 1,
    "double_field": 2.0,
    "string_field": "My string",
    "int_list": [1,2,3],
    "double_list": [1.0,2.0,3.0],
    "map": {
      "nested_int_field" : 5,
      "nested_double_field": 5.0,
      "nested_string_field": "5.0"
    }
  }
}