{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "MetadataCreateRequest",
  "required": [
    "metadata"
  ],
  "properties": {
    "metadata": {
      "description": "List of metadata items to create or update",
      "type": "array",
      "items": {
        "properties": {
          "key": {
            "description": "Metadata key",
            "type": "string"
          },
          "value": {
            "description": "Metadata value",
            "type": "string",
            "nullable": true
          }
        },
        "type": "object"
      }
    }
  },
  "type": "object"
}