Laravel - How To Access and Manipulate JSON Array Elements

Can someone teach me how can i access each of the category element in the data array?? PS: I post this JSON using Postman and try to manipulate it in a laravel project controller method.

There is no problem with my routes as i have successful using get and post request for other simple process.

I also use Content-Type with application/json header to send this JSON using the Postman software.

My laravel controller method:

public function requestStore(Request $request) {

        //
}

JSON:

{
  "id": "126612213872902",
  "name": "Jack Daniel",
  "likes": {
    "data": [
      {
        "category": "Steakhouse",
        "id": "330668300343348"
      },
      {
        "category": "Steakhouse",
        "id": "793734850733472"
      },
      {
        "category": "Steakhouse",
        "id": "650634241797601"
      },
      {
        "category": "Steakhouse",
        "id": "146621545355340"
      },
      {
        "category": "Italian Restaurant",
        "id": "146805911480"
      },
      {
        "category": "Ice Cream Shop",
        "id": "545851225458015"
      },
      {
        "category": "Fast Food Restaurant",
        "id": "24540959832"
      },
      {
        "category": "Fast Food Restaurant",
        "id": "478890372318431"
      },
      {
        "category": "Fast Food Restaurant",
        "id": "78934590040"
      },
      {
        "category": "Korean Restaurant",
        "id": "553600018012159"
      },
      {
        "category": "Korean Restaurant",
        "id": "388180681558608"
      },
      {
        "category": "Chinese Restaurant",
        "id": "288066224573571"
      },
      {
        "category": "Chinese Restaurant",
        "id": "77730698813"
      },
      {
        "category": "Steakhouse",
        "id": "80555139083"
      },
      {
        "category": "Steakhouse",
        "id": "276973702580"
      },
      {
        "category": "Halal Restaurant",
        "id": "407606596237025"
      },
      {
        "category": "Malaysian Restaurant",
        "id": "337074526415500"
      },
      {
        "category": "Malaysian Restaurant",
        "id": "607366992933940"
      },
      {
        "category": "Malaysian Restaurant",
        "id": "523902944321612"
      },
      {
        "category": "Malaysian Restaurant",
        "id": "194113415406"
      },
      {
        "category": "Malaysian Restaurant",
        "id": "177159752316413"
      },
      {
        "category": "Malaysian Restaurant",
        "id": "705777492887089"
      },
      {
        "category": "Malaysian Restaurant",
        "id": "1545544055681553"
      },
      {
        "category": "Steakhouse",
        "id": "558487800860920"
      },
      {
        "category": "Steakhouse",
        "id": "129509727619"
      }
    ],
    "paging": {
      "cursors": {
        "before": "MzMwNjY4MzAwMzQzMzQ4",
        "after": "MTI5NTA5NzI3NjE5"
      }
    }
  }
}

via Chebli Mohamed