{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "$ref": "#/definitions/Target",
    "definitions": {
        "Target": {
            "required": [
                "method",
                "url"
            ],
            "properties": {
                "body": {
                    "type": "string",
                    "media": {
                        "binaryEncoding": "base64"
                    }
                },
                "header": {
                    "patternProperties": {
                        ".*": {
                            "items": {
                                "type": "string"
                            },
                            "type": "array"
                        }
                    },
                    "type": "object"
                },
                "method": {
                    "type": "string"
                },
                "url": {
                    "type": "string"
                }
            },
            "additionalProperties": false,
            "type": "object"
        }
    }
}