FrontendConstructorController.php on line 278:
array:1 [
  0 => array:3 [
    "title" => "Материал"
    "position" => 0
    "values" => array:1 [
      "Силикон" => array:3 [
        "id" => 10
        "value" => "Силикон"
        "checked" => false
      ]
    ]
  ]
]