Entity_AreaEffectCloud: {
    type: "compound";
    value: {
        Duration: { type: "int"; value: number };
        DurationOnUse: { type: "int"; value: number };
        InitialRadius: { type: "float"; value: number };
        mobEffects: {
            type: "list";
            value: { type: "compound"; value: MobEffect["value"][] };
        };
        OwnerId: { type: "long"; value: [high: number, low: number] };
        ParticleColor: { type: "int"; value: number };
        ParticleId: { type: "int"; value: number };
        PickupCount: { type: "int"; value: number };
        PotionId: { type: "short"; value: number };
        Radius: { type: "float"; value: number };
        RadiusChangeOnPickup: { type: "float"; value: number };
        RadiusOnUse: { type: "float"; value: number };
        RadiusPerTick: { type: "float"; value: number };
        ReapplicationDelay: { type: "int"; value: number };
        SpawnTick: { type: "long"; value: [high: number, low: number] };
    };
} & ActorPrefix

Additional fields for [area effect cloud](https://minecraft.wiki/w/area effect cloud).