export interface Payload {
    userId: string;
    items: {
        itemId: string;
        amount?: number;
        price?: number;
        profit?: number;
    }[];
    timestamp?: string;
    recommId?: string;
    internalAdditionalData?: {
        [k: string]: unknown;
    };
    additionalData?: {
        [k: string]: unknown;
    };
}
