get_engagement_analyticsreadanalytics.viewEngagement rate, top-performing posts, and best posting times.
| instagram_account_id * | string | Connected IG account ID. |
| days | integer | Window in days. Defaults to 30. |
Engagement rate per post type, top 10 posts by saves/shares, hour-of-day heatmap.
"What time of day gets the highest engagement on my posts?"