Get ground truth

const response = await fetch('https://studio.edgeimpulse.com/v1/api/{projectId}/performance-calibration/ground-truth', {
    method: 'GET',
    headers: {},
});
const data = await response.json();

{
  "success": false,
  "error": "text",
  "samples": [
    {
      "type": "sample",
      "labelIdx": 0,
      "labelString": "text",
      "start": 0,
      "length": 0,
      "samples": [
        {
          "id": 0,
          "start": 0,
          "length": 0,
          "idx": 0
        }
      ]
    }
  ]
}