Update dashboard properties: filter_tree, group_by, interval_mins, layout_map, and time range.
Time range: provide either (start_time, end_time) for absolute timestamps, or relative_time (e.g. "last_7_days", "last_12_hours", "last_3_months") for a rolling window from now.
Rolling window from now, e.g. last_7_days, last_12_hours (max 5 years)
64^last_\d+_(seconds?|minutes?|hours?|days?|weeks?|months?)$Successful Response
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