{
  "$jsonSchema": {
    "bsonType": "object",
    "required": ["app_id", "version", "url", "timestamp", "platform", "type"],
    "properties": {
      "name_id": {
        "bsonType": "string",
        "minLength": 3,
        "maxLength": 5
      },
      "version": {
        "bsonType": "string"
      },
      "url": {
        "bsonType": "string"
      },
      "platform": {
        "bsonType": "string"
      },
      "type": {
        "bsonType": "string"
      },
      "timestamp": {
        "bsonType": "number"
      }
    }
  }
}