{
  "authorizationData": [
    {
      "authorizationToken": "QVdTOkNpQzErSHF1ZXZPcUR...",
      "expiresAt": 1448878779.809,
      "proxyEndpoint": "https://012345678910.dkr.ecr.us-east-1.amazonaws.com"
    }
  ]
}