0 - uss-start-signup
      {
  "startScreen": {
    "startScreen": "generic-signup"
  },
  "emailType": null,
  "emailCheckCode": null,
  "isDiscoEligible": null,
  "intent": null,
  "persona": null,
  "personaDetails": null,
  "gradeLevel": null,
  "chosenPlan": null,
  "completedDetailsScreens": [],
  "isChooseOwnPlan": false,
  "submitFormResult": null,
  "isErroredOut": false,
  "isEduRenew": false,
  "isProUpgrade": false,
  "emailStatus": null,
  "formSubmitStatus": null,
  "resolutionActions": [],
  "firstName": null
}