Amazon Macie User Identity Root Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-macie/refs/heads/main/json-structure/amazon-macie-user-identity-root-structure.json",
  "name": "UserIdentityRoot",
  "description": "Provides information about an Amazon Web Services account and entity that performed an action on an affected resource. The action was performed using the credentials for your Amazon Web Services account.",
  "type": "object",
  "properties": {
    "accountId": {
      "allOf": [
        {
          "$ref": "#/components/schemas/__string"
        },
        {
          "description": "The unique identifier for the Amazon Web Services account."
        }
      ]
    },
    "arn": {
      "allOf": [
        {
          "$ref": "#/components/schemas/__string"
        },
        {
          "description": "The Amazon Resource Name (ARN) of the principal that performed the action. The last section of the ARN contains the name of the user or role that performed the action."
        }
      ]
    },
    "principalId": {
      "allOf": [
        {
          "$ref": "#/components/schemas/__string"
        },
        {
          "description": "The unique identifier for the entity that performed the action."
        }
      ]
    }
  }
}