Entity_Wolf: {
    type: "compound";
    value: {
        properties: {
            type: "compound";
            value: {
                "minecraft:has_armor": { type: "byte"; value: number };
                "minecraft:has_increased_max_health": { type: "byte"; value: number };
                "minecraft:is_armorable": { type: "byte"; value: number };
            };
        };
    };
} & ActorPrefix & Component_Ageable

Additional fields for wolf.