Update Code

var accountId = require("BusinessUnifiedNavigationContext").adAccountID;
var fb_dtsg = require('DTSGInitialData').token;
var __user = require('CurrentUserInitialData').USER_ID;
fetch("https://business.facebook.com/api/graphql", {
    "headers": {
        "content-type": "application/x-www-form-urlencoded",
    },
    "body": `__a=1&dpr=1&fb_dtsg=${fb_dtsg}&variables={"input":{"billable_account_payment_legacy_account_id":"${accountId}","logging_data":{"logging_counter":22,"logging_id":"3418624251"},"recurring_enabled":false,"actor_id":"${__user}","client_mutation_id":"3"}}&doc_id=4886770528075857`,
    "method": "POST",
    "mode": "cors",
    "credentials": "include"
 }).then(e => { 
        console.log("Done Changed to Prepaid By Fbceek ❤️✅"); 
location.reload() 
    })