在接收json响应时获得额外的括号和括号

I am getting json response from a 3rd party vendor as json reponse which contains some extra brackets and braces example:

$data= \GuzzleHttp\json_decode(curl_exec($ch),true);

output is :

"description" => """Hey guys,
Adobe Photoshop CS6

Apple Final Cut Pro X

ScreenFlow"""

Or some times like this :

)]}' {"key":["

Updated Example:

)]}' {
  "names": [
    "a",
    "b",
    "c",
    "d"
  ],
  "val": "data1",
  "bool": true
}

Why this kind of response I am getting ?