enduro2d/samples/bin/library/sprites/cube_flipbook.json

{
    "frames" : [
        { "sprite" : "cube_0_sprite.json" },
        { "sprite" : "cube_1_sprite.json" }
    ],
    "sequences" : [{
        "fps" : 10,
        "name" : "idle",
        "frames" : [0, 1]
    }]
}