form json example

form.json

{
  "specifications":
  {
    "age": [
      {
        "min_age": "20",
        "max_age": "25",
        "sample_size": "20"
      },
      {
        "min_age": "26",
        "max_age": "28",
        "sample_size": "20"
      }
    ],
    "gender": [
      {
        "label": "male",
        "sample_size": 20
      },
      {
        "label": "female",
        "sample_size": 20
      }
    ]
  }
}