Full image package always corrupted with no ways to convert to image

[Allanksr]

Zello Channel SDKs works fine, but Zello Channel API is broken.
https://github.com/zelloptt/zello-channel-api/blob/master/API.md#on_image

session.on(ZCC.Constants.EVENT_INCOMING_IMAGE_DATA, (incomingImageData) => {
//here it works
})

ws.onmessage = async function(event) {
/*
on_image {
command: 'on_image',
channel: 'Some Channel',
from: 'SomeUser',
message_id: '2406830e84c1bec232cd1c598227b7dec307e9fffba608571b5bdb74dbc64307',
source: 'library',
type: 'jpeg'
}
//here it does not work
*/
}