Get a Facebook token

{
  "facebookToken": {
    "email": "example@example.com",
    "label": "Facebook account A",
    "facebookAccountId": "xxffaa5",
    "applicationId": "123456",
    "scope": [
      "privilegie_A"
    ],
    "issued": "2013-05-09T11:37:32.778Z",
    "expired": "null",
    "state": "LONGLIVED"
  }
}