GHL Lead to Subaccount

{
   "email": "{{contact.email}}",
   "id": "{{contact.id}}",
   "phone": "{{contact.phone}}",
        "firstName": "{{contact.first_name}}",
        "lastName": "{{contact.last_name}}",
        "address1": "{{contact.address1}}",
        "city": "{{contact.city}}",
        "state": "{{contact.state}}",
        "postalCode": "{{contact.postal_code}}",
        "source": "api",
        "customField": {
          "birthdate": "{{contact.date_of_birth}}"
        }
}