@VisibleForTesting
    static com.google.rpc.Status decodeGrpcStatusDetailsBin(String grpcStatusDetailsBin)
            throws InvalidProtocolBufferException {
        final byte[] result = Base64.getDecoder().decode(grpcStatusDetailsBin);
        return com.google.rpc.Status.parseFrom(result);
    }
Returns a JSON response based on Google APIs.
Please refer to <a href="https://cloud.google.com/apis/design/errors#error_model">Google error model</a>

@param ctx the service context.
@param status the gRPC {@link Status} code.
@param response the gRPC response.

@return the {@link HttpResponse}.
grpc/src/main/java/com/linecorp/armeria/server/grpc/JsonUnframedGrpcErrorHandler.java