i have json output stored in array and i m not able to convert to required api format can any one help me to convert given array to required json oput

the array format i want to convert is below

{"banner":
    [
        {
            "app_uid": "intappy20220713131612",
            "banner_name": "iabc"
        },{
            "app_uid": "intappy20220713131612",
            "banner_name": "iabc"
        },
        {
            "app_uid": "intappy20220713131612",
            "banner_name": "iabc"
        },
        {
            "app_uid": "intappy20220713131612",
            "banner_name": "iabc"
        },
        {
            "app_uid": "intappy20220713131612",
            "banner_name": "iabc"
        }
    ]
    ,"category":[
        {
            "app_uid": "intappy20220713131612",
            "category_name": "schjs",
            "category_image": "images/instappy20220708055406.jpg"
        },
        {
            "app_uid": "intappy20220713131612",
            "category_name": "schjs",
            "category_image": "images/instappy20220708055406.jpg"
        },
        {
            "app_uid": "intappy20220713131612",
            "category_name": "schjs",
            "category_image": "images/instappy20220708055406.jpg"
        },
        {
            "app_uid": "intappy20220713131612",
            "category_name": "schjs",
            "category_image": "images/instappy20220708055406.jpg"
        }
    ]
    }

the array format want i have write now below

[
  [
    "banner",
    {
      "\"app_uid\"": "instappy20220921071948",
      "\"banner_name\"": "images/instappy20220921091925.jpeg"
    },
    {
      "\"app_uid\"": "instappy20220921071948",
      "\"banner_name\"": "images/instappy20220921091932.jpeg"
    }
  ],
  [
    "category",
    {
      "\"app_uid\"": "instappy20220921071948",
      "\"category_name\"": "kumar",
      "\"category_image\"": "images/instappy20220921091944.jpeg"
    },
    {
      "\"app_uid\"": "instappy20220921071948",
      "\"category_name\"": "kumar",
      "\"category_image\"": "images/instappy20220921091955.jpeg"
    }
  ]
]

i m using angular typeScript, i m using angular typeScript, i m using angular typeScript ,i m using angular typeScript ,i m using angular typeScript ,i m using angular typeScript
i m using angular typeScript, i m using angular typeScript, i m using angular typeScript ,i m using angular typeScript ,i m using angular typeScript ,i m using angular typeScript
i m using angular typeScript, i m using angular typeScript, i m using angular typeScript ,i m using angular typeScript ,i m using angular typeScript ,i m using angular typeScript