Can't work around the Object Might be Null in Typescript [closed]

Below is the code which is revealing that the object might be null however it is inside of a loop which wouldn't get executed if there are no members in the loop.... not sure why Typescript is saying there is a null error here...

this.requestService
.getAccounts(data.user.uid, token.access_token)
.subscribe((res) => {
var toloop = res.body;
var needsupdate = "green";
//GET THE INDIVIUAL INFORMATION ON AN ACCOUNT
for (let i = 0; i < (toloop as Array<Object>).length; i++) {
var toloopviewcolor = "green";
if ("id" in toloop) { <<---this is possibly Null
this.requestService.getRequest(toloop["id"]).subscribe( <<this is possibly Null
(account) => {
// Create "missing environments" array if addressses exist for display logic
if (account["addresses"]) {

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