[TIMOB-18916] iOS: Posting a photo to Facebook gives "Unsupported FBRequest parameter type:TiBlob"

[INFO] :   FBSDKLog: Unsupported FBRequest parameter type:TiBlob
[INFO] :   -[TiBlob _fastCharacterContents]: unrecognized selector sent to instance 0x176261d0

var fb = require("facebook");

var win = Ti.UI.createWindow({
	backgroundColor : '#FFFFFF',
});

fb.addEventListener('login', function(e) {
	if (e.success) {
		alert('Logged in');
	}
});
fb.addEventListener('logout', function(e) {
	alert('Logged out');
});

if (Ti.Platform.name === 'android') {
	win.fbProxy = fb.createActivityWorker({
		lifecycleContainer : win
	});
}

// Add the button.  Note that it doesn't need a click event listener.
win.add(fb.createLoginButton({
	readPermissions : ['read_stream', 'email'],
	top : 50
}));

var B2_TITLE = 'Upload Photo from file with Graph API';
var b2 = Ti.UI.createButton({
	title : B2_TITLE,
	left : 10,
	right : 10,
	top : 200,
	height : 80
});

win.add(b2);

b2.addEventListener('click', function() {
	b2.title = 'Uploading Photo...';
	var f = Ti.Filesystem.getFile(Ti.Filesystem.resourcesDirectory, 'KS_nav_ui.png');
	var blob = f.read();
	var data = {
		caption : 'behold, a flower',
		picture : blob
	};

	fb.requestNewPublishPermissions(['publish_actions', 'read_stream', 'user_hometown'], fb.AUDIENCE_FRIENDS, function(e) {
		if (e.success) {
			Ti.API.info('Permissions:' + fb.permissions);
			fb.requestWithGraphPath('me/photos', data, "POST", function(outcome) {
				alert("Posted! Photo Posted To Your Page");
			});
		}
		if (e.error) {
			Ti.API.info('Publish permission error');
		}
		if (e.cancelled) {
			Ti.API.info('Publish permission cancelled');
		}
	});
});

win.open();