Open Facebook Ads Manager and click on Audiences in the Menu tab located on the left.
At the top right of the Audience dashboard, click Create Audience and then choose Custom Audience from the drop-down menu.
In the Create a Custom Audience window, choose Instagram Account as the source of this audience.
On the next page, click the Everyone Who Engaged With Your Professional Account drop-down menu and choose the people to include in this audience. To the right of your selection, enter the number of days.
The last step is to name the audience and click Save Audience.
On the Audience tab of Facebook Ads Manager, select the relevant custom audiences to share and click the Share button
In the Share a Custom Audience window, select An Ad Account Owned by Another Business.
Now enter the account ID 736421323791554 to share the audience with Dermeren and click Share.