{
    "_read_schema" = <"strict" = %false>[
        {"type"="string";"name"="key"};
        {"type"="string";"name"="subkey"};
    ];
    "schema" = <"strict" = %false; "unique_keys" = %false>
    [
        {
            "name" = "key";
            "type" = "string"
        };
        {
            "name" = "subkey";
            "type" = "string"
        }
    ]
}