List all users

{
  "users": [
    {
      "username": "admin",
      "firstName": "John",
      "lastName": "Doe",
      "email": "[email protected]",
      "phone": "",
      "signature": null,
      "links": {
        "lists": "https://:account.api-us1.com/api/3/users/1/lists",
        "userGroup": "https://:account.api-us1.com/api/3/users/1/userGroup",
        "dealGroupTotals": "https://:account.api-us1.com/api/3/users/1/dealGroupTotals",
        "dealGroupUsers": "https://:account.api-us1.com/api/3/users/1/dealGroupUsers",
        "configs": "https://:account.api-us1.com/api/3/users/1/configs"
      },
      "id": "1"
    },
    {
      "username": "janedoe",
      "firstName": "Jane",
      "lastName": "Doe",
      "email": "[email protected]",
      "phone": "",
      "signature": null,
      "links": {
        "lists": "https://:account.api-us1.com/api/3/users/5/lists",
        "userGroup": "https://:account.api-us1.com/api/3/users/5/userGroup",
        "dealGroupTotals": "https://:account.api-us1.com/api/3/users/5/dealGroupTotals",
        "dealGroupUsers": "https://:account.api-us1.com/api/3/users/5/dealGroupUsers",
        "configs": "https://:account.api-us1.com/api/3/users/5/configs"
      },
      "id": "5"
    }
  ],
  "meta": {
    "total": "2"
  }
}