Valid form-data

{ _overheadLength: 296,
  _valueLength: 11,
  _lengthRetrievers: [ [Function] ],
  writable: false,
  readable: true,
  dataSize: 0,
  maxDataSize: 2097152,
  pauseStreams: true,
  _released: false,
  _streams:
   [ '----------------------------355500397095222990472393\r\nContent-Disposition: form-data; name="message"\r\n\r\n',
     'hot dogzzzz',
     [Function],
     '----------------------------355500397095222990472393\r\nContent-Disposition: form-data; name="source"; filename="41a3202c1fd90ccab0dfdf8c3cf39c65"\r\nContent-Type: application/octet-stream\r\n\r\n',
     { source: [Object],
       dataSize: 0,
       maxDataSize: Infinity,
       pauseStream: true,
       _maxDataSizeExceeded: false,
       _released: false,
       _bufferedEvents: [Object],
       _events: [Object] },
     [Function] ],
  _currentStream: null,
  _events: { error: [Function] },
  _boundary: '--------------------------355500397095222990472393' }