Not set in stone. Loosely based upon the OpenPhoto schema for Photo.
{
"type": "wellknown:image",
"values": {
"metadata": {
"orientation": 1,
"camera_make": "Canon",
"camera_model": "Canon EOS REBEL T2i",
"exposure_time": "1/60",
"f_number": "f/1.4",
"lens": "Canon EF 50mm f/1.4 USM",
"iso": 1600,
"metering_mode": "Pattern",
"flash": "Did not fire",
"focal_length": "50mm",
"altitude": 7,
"latitude": 37.8052,
"longitude": -122.4641,
"date": "2012-07-05T04:53:52Z",
},
"formats": {
"original": {
"size": 22120,
"width": 5184,
"height": 3456,
"rotation": 0,
"url": "http://example.com/photo/original.jpg"
},
"200x200": {
"size": 30,
"width": 200,
"height": 200,
"cropped": true,
"rotation": 0,
"url": "http://example.com/photo/200x200.jpg"
},
"640x427": {
"size": 120,
"width": 640,
"height": 427,
"rotation": 0,
"url": "http://example.com/photo/640x427.jpg"
},
"1024x683": {
"size": 200,
"width": 1024,
"height": 683,
"rotation": 0,
"url": "http://example.com/photo/1024x683.jpg"
},
"2048x1366": {
"size": 120,
"width": 2048,
"height": 1366,
"rotation": 0,
"url": "http://example.com/photo/2048x1366.jpg"
}
}
}
}