authenticate

{
  "session": {
    "user": {
      "id": "52cace83374c10105e000005",
      "email": "jason@apprennet.com",
      "login": "jason",
      "first_name": "Jason",
      "last_name": "Blanchard",
      "authentication_token": "HTjy9Qpm9XVvtjUJRTkH",
      "organizations": [
        {
          "id": "52cc5b74374c10355b000001",
          "name": "Jason Blanchard"
        },
        {
          "id": "5307a1dd374c100c64000001",
          "name": "Mike's Chris"
        },
        {
          "id": "530f9417374c1010af000003",
          "name": "LTI Testing Organization"
        },
        {
          "id": "531f2f65374c100e5900001f",
          "name": "Jeff's Chris"
        }
      ]
    },
    "api_client_config": {
      "minimum_mobile_app_version" : 0.1
    }
  }
}