{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/UpdateUserMetadataRequest",
  "title": "UpdateUserMetadataRequest",
  "type": "object",
  "required": [
    "userId",
    "metadataUpdate"
  ],
  "properties": {
    "userId": {
      "type": "string"
    },
    "metadataUpdate": {
      "type": "object",
      "description": "Metadata fields to merge into existing metadata"
    }
  }
}