{
  "metadata": {
    "usageType": "http://id.tincanapi.com/attachment/supporting_media",
    "display": {
      "en-US": "JSON attachment"
    },
    "contentType": "application/json",
    "length": 60,
    "sha2": "f4135c31e2710764604195dfe4e225884d8108467cc21670803e384b80df88ee"
  },
  "content": "{\"propertyA\":\"value1\",\"propertyB\":\"value2\",\"propertyC\":true}"
}