Error: The specified input data isn't a valid JSON string

Serverless Framework
1

I was working my way through the Azure Quickstart, and I noticed that the command serverless invoke -f hello -d '{"name": "Azure"}' returns this error: “The specified input data isn’t a valid JSON string.” Does anybody know why this happens? Here is my serverless version:

Framework Core: 3.22.0 (standalone)
Plugin: 6.2.2
SDK: 4.3.2

Here is the function code:

'use strict';

module.exports.sayHello = async function (context, req) {
  context.log('JavaScript HTTP trigger function processed a request.');

  if (req.query.name || (req.body && req.body.name)) {
    context.res = {
      // status: 200, /* Defaults to 200 */
      body: 'Hello ' + (req.query.name || req.body.name),
    };
  } else {
    context.res = {
      status: 400,
      body: 'Please pass a name on the query string or in the request body',
    };
  }
};