Transform the JSON object string into valid JSON format

My responseJson is structured as follows:

const responseJson = [
      {
        device_id: "arena-FnVq4HTwtBg6JqqBxWBB7W",
        timestamp: "2020-02-10T20:52:00.000Z",
        data: "{"type": "DATA", "unitID": "arena-FnVq4HTwtBg6JqqBxWBB7W",
        "version": "1.0.0",
        "voltage": [130.0222, 129.9743, 129.9567, 129.9853, 130.0043, 130.0257, 130.067,
         130.1005, 130.0698, 130.1056],
         "frequency": [60.0005, 60.0001, 59.9984, 59.9999, 59.9992, 59.9971, 59.9977,
         59.9979, 59.999, 59.9985],
         "timestamp": 1581367920000,
         "phaseAngle": [2.5766, 2.5769, 2.5768, 2.5761, 2.5754, 2.574, 2.5718, 2.5706,
          2.569, 2.5677]}"
      }
    ]

In my data, the structure looks like a string rather than an object. How can I parse this data correctly?

const responseJson = [
      {
        device_id: "arena-FnVq4HTwtBg6JqqBxWBB7W",
        timestamp: "2020-02-10T20:52:00.000Z",
        data: {"type": "DATA", "unitID": "arena-FnVq4HTwtBg6JqqBxWBB7W",
        "version": "1.0.0",
        "voltage": [130.0222, 129.9743, 129.9567, 129.9853, 130.0043, 130.0257, 130.067,
         130.1005, 130.0698, 130.1056],
         "frequency": [60.0005, 60.0001, 59.9984, 59.9999, 59.9992, 59.9971, 59.9977,
         59.9979, 59.999, 59.9985],
         "timestamp": 1581367920000,
         "phaseAngle": [2.5766, 2.5769, 2.5768, 2.5761, 2.5754, 2.574, 2.5718, 2.5706,
          2.569, 2.5677]}
      }
    ]

I have attempted to use JSON.parse but without success. Here is what I receive when I log the following: console.log(responseJson.data) throws undefined

console.log(JSON.parse(responseJson.data))
throws
C:\Users\aravi\Desktop\React\Reactnative\BrixonApplication_App\node_modules\react-native\Libraries\Core\ExceptionsManager.js:94 SyntaxError: Unexpected token u in JSON at position 0

Answer №1

To convert your string into an object, use the function JSON.parse('your string here')

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