Ghost/ghost/admin/app/serializers/email.js

/* eslint-disable camelcase */
import ApplicationSerializer from 'ghost-admin/serializers/application';

export default class EmailSerializer extends ApplicationSerializer {
    attrs = {
        createdAtUTC: {key: 'created_at'},
        updatedAtUTC: {key: 'updated_at'},
        submittedAtUTC: {key: 'submitted_at'}
    };
}