instanceID.json

{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "type": "object",
    "properties": {
        "id": {
            "type": "string",
            "description": "The instance ID."
        },
        "data": {
            "type": "object",
            "description": "Extra information about the instance ID."
        }
    },
    "required": [
        "id"
    ],
    "additionalProperties": false
}