Get current authenticated user and signup state

Example response

{
  "user": {
    "email": "jane@acme.com"
  },
  "customer": {
    "name": "Acme Corp",
    "slug": "acme-corp",
    "lifecyclePhase": "active"
  },
  "signupRequest": {
    "linkedinCompanyUrl": "https://www.linkedin.com/company/acme/"
  }
}