{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/UserDateSchema",
  "title": "UserDateSchema",
  "oneOf": [
    {
      "type": "string",
      "description": "Date and time when this user was created (ISO_8601 format)."
    },
    {
      "type": "object",
      "description": "Date and time when this user was created (ISO_8601 format).",
      "additionalProperties": true
    }
  ]
}