You have updated your preferences
{
"type": "pref_change",
"name": "messages_theme",
"value": "dense"
}
The pref_change event is sent to all connections for a user when a user
preference is changed. Clients should update to reflect new changes
immediately.
When an event occurs, we will send an HTTP POST request to your Request URL. The outer payload is uniform across all Events API methods, and contains fields like team_id and event. Learn more