{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/UserSettingsHistoryResponse",
  "title": "UserSettingsHistoryResponse",
  "type": "object",
  "properties": {
    "requestId": {
      "type": "string",
      "description": "A unique identifier for the request."
    },
    "userSettingsHistory": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "userId": {
            "type": "string",
            "description": "The user ID."
          },
          "settingName": {
            "type": "string",
            "description": "Name of the setting that changed."
          },
          "previousValue": {
            "type": "string",
            "description": "The previous value of the setting."
          },
          "newValue": {
            "type": "string",
            "description": "The new value of the setting."
          },
          "changedAt": {
            "type": "string",
            "format": "date-time",
            "description": "When the setting was changed."
          },
          "changedBy": {
            "type": "string",
            "description": "Who made the change."
          }
        }
      },
      "description": "List of settings changes for the user."
    }
  }
}