curl --request GET \
  --url https://production.api.onvy.health/users/{user_id} \
  --header 'X-API-Key: <api-key>'

{
  "id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "language": "<string>",
  "tz_offset": 123,
  "firstname": "<string>",
  "lastname": "<string>",
  "measurement_unit": "metric",
  "gender": "male",
  "birthday": "2023-12-25",
  "height": 123,
  "weight": 123,
  "thresholds": {
    "ftp": 123,
    "lthr": 123,
    "mhr": 123
  },
  "location": {
    "lat": 123,
    "lon": 123
  },
  "coach_config": {
    "enabled": true
  },
  "data_syncs": [
    {
      "data_type": "auth",
      "sync_type": "historical",
      "provider": "GARMIN",
      "status": "pending",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ]
}