{
    "$id": "https://example.com/schema.json",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "description": "AE mapping",
    "type": "object",
    "additionalProperties": false,
    "patternProperties": {
        "^[\\w_]+$": {
            "type": "object",
            "additionalProperties": false,
            "patternProperties": {
                "^[\\w_]+$": {
                    "type": "string"
                }
            }
        }
    }
}