AWS SDK for JavaScript SignatureV4a package
npm install @aws-sdk/signature-v4a

See: https://github.com/aws/aws-sdk-js-v3/tree/main#functionality-requiring-aws-common-runtime-crt.
Alias package for @smithy/signature-v4a. This package provides a SigV4a-compatible request signer (@smithy/signature-v4a) if the request is multi-region.
A multi-region request is identified by the signingRegion parameter. A request is multi-region if the signingRegion
parameter is set to *.