Add User To Workspace

{
	"data": {
		"email": "gsanchez@example.com",
		"gid": "12345",
		"name": "Greg Sanchez",
		"photo": {
			"image_1024x1024": "https://...",
			"image_128x128": "https://...",
			"image_21x21": "https://...",
			"image_27x27": "https://...",
			"image_36x36": "https://...",
			"image_60x60": "https://..."
		},
		"resource_type": "task"
	}
}