export interface Payload {
    messageId: string;
    timestamp: string;
    type: string;
    event?: string;
    name?: string;
    properties?: {
        [k: string]: unknown;
    };
    traits?: {
        [k: string]: unknown;
    };
    userId?: string;
    anonymousId?: string;
    groupId?: string;
    context?: {
        [k: string]: unknown;
    };
    previousId?: string;
}
