curl --request GET \
  --url https://studio.edgeimpulse.com/v1/api/{projectId}/training/anomaly/{learnId}/gmm/metadata \
  --header 'x-api-key: <api-key>'

{
  "success": true,
  "error": "<string>",
  "means": [
    [
      123
    ]
  ],
  "covariances": [
    [
      [
        123
      ]
    ]
  ],
  "weights": [
    123
  ]
}