{
  "firstName": "Username",
  "lastName": "Resident",
  "password": "YourPassword",
  "start": "last", //first, last, or login uri like uri:<existing region name>&<x>&<y>&<z>
  "url": "https://login.agni.lindenlab.com/cgi-bin/login.cgi",
  "agreeToTOS": true,
  "read_critical": true
}