export interface Payload {
    createdAt?: string | number;
    customAttributes?: {
        [k: string]: unknown;
    };
    email?: string;
    firstName?: string;
    lastName?: string;
    mailingLists?: {
        [k: string]: unknown;
    };
    source?: string;
    subscribed?: boolean;
    userGroup?: string;
    userId: string;
}
