curl --request POST \
  --url https://api.vistaly.com/v1/cards/{cardId}/metrics/bulk \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "metrics": [
    {
      "timestamp": "2023-11-07T05:31:56Z",
      "value": 123
    }
  ]
}'

{
  "message": "Bulk metric import completed",
  "succeeded": 950,
  "failed": [
    {
      "index": 42,
      "metric": {
        "value": -1,
        "timestamp": "2024-01-01T00:00:00Z"
      },
      "error": "Unknown error occurred"
    }
  ]
}