A compound data filter representation in json

filterobject.json

{
  "operator": "and",
  "expressions": [
    {
      "operator": "and",
      "expressions": [
        {
          "field": "a",
          "condition": { ">": 10 }
        },
        {
          "field": "b",
          "condition": { ">": 20 }
        }
      ]
    },
    {
      "operator": "or",
      "expressions": [
        {
          "field": "c",
          "condition": { "<": 30 }
        },
        {
          "field": "d",
          "condition": { "in": [1,2,3] }
        }
      ]
    }
  ]
}
// (a>10 AND b>20) AND (c<30 OR d IN [1,2,3])