http monitor advanced monitoring and content check

need help to write an http monitor for interactive http login via username and password and then perform a content check on the url by requesting for certain content to be fetched like charts etc

my basic requirement is that i have an application whose url is which is the login page of the application. The pool members for this url are 1.2.3.4 and 1.2.3.5 I need my monitor to login to this page using the username=abc and password=xyz Post successful login i need to fetch some charts from the url= The response status for this chart fetch should be success which i need to monitor as well using a monitor. How can i achieve both of these requirements?

The POST request is as below and the url is https://abc.com:8100/NewSession

Request Body:

{ "Uid" : "V9999", "OdinId" : "1234567ahafjhiqhj2O2J12345JEWJFNLMO3JOQ4WG4JKPKlfemfalm" }

Response Structure: { "status": true, "UTS": "2019-03-08T06:04:40.455Z" }