{
  "objectType": "article",
  "displayName": "i'm ready to speak",
  "content": "something",
  "attachments": [{
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    "stream": {
      "url": "http://a/podcast.mp3",
      "duration": 123,
      "size": 45678
    }
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    "objectType": "video",
    "stream": {
      "url": "http://a/vidjo.mov",
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      "size": 45678
    }
  }],
  "stream": [{
    "duration": 123,
    "size": 45678,
    "url": "http://a/vidjo.mov"
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}
