@hubspot/api-client/lib/src/utils/ISignatureOptions.d.ts

NodeJS v3 [HubSpot API](https://developers.hubspot.com/docs/api/overview) SDK(Client) files

export interface ISignatureOptions {
    signature: string;
    clientSecret: string;
    requestBody: string;
    signatureVersion?: string;
    url?: string;
    method?: string;
    timestamp?: number;
}