external-user-id is not included in webhooks

[pedped]

I am running BBB 2.2.27, I installed webhooks, everythign goes well, but for event "user-audio-voice-disabled" it do not show the external-user-id whereas it shows for the user-audio-voice-enabled, the problem it happen randomly!

user-audio-voice-disabled:
[{"data":{"type":"event","id":"user-audio-voice-disabled","attributes":{"meeting":{"internal-meeting-id":"756d6b4cdcb4d158628879893308232a3294371c-1605503086029","external-meeting-id":"c9ePRPwvuSuNsVc"},"user":{"internal-user-id":"w_rebants7kycp","external-user-id":"","listening-only":false,"sharing-mic":false}},"event":{"ts":1605519067417}}}]

user-audio-voice-enabled:
[{"data":{"type":"event","id":"user-left","attributes":{"meeting":{"internal-meeting-id":"756d6b4cdcb4d158628879893308232a3294371c-1605503086029","external-meeting-id":"c9ePRPwvuSuNsVc"},"user":{"internal-user-id":"w_rebants7kycp","external-user-id":"388859"}},"event":{"ts":1605518771450}}}]