facing issue on CRM while creating activities.

facing issue on CRM while creating activities.

I am facing issue on CRM while creating activities.  I logged in crm with the admin role and creating activity with deluge function. Activity is created with currently logged in but their is also mention created and modify by super admin user. I want created  and modify by also be as logged in user.
Image also attached.

here is code using while creatig activity
{"Owner":"253274000000250003", Call_Type:"Inbound", "Call_Start_Time":"2021-11-10T06:43:05Z","SEID":"253274000000210189","whichCall":"Completed Call", "Who_Id":"253274000000210189"}

If I am missing something please guide.

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