handler.js

'use strict';

module.exports.hello = async (event, context, callback) => {
   let request;
    try {
        request = JSON.parse(event.body);
    } catch (e) {
        return callback(null, {statusCode: 400, body: "cannot parse hasura event"});
    }
    const response = {
      statusCode: 200,
      body: JSON.stringify(request.event.data, null,2),
  };
  callback(null, response);
};