{
  "id": "idle_lower",
  "track": "lower",
  "duration": 1.0,
  "loop": true,
  "keyframes": [
    { "t": 0.0,
      "leg_l":  {"scl": [-1, 0]},  "leg_r":  {"scl": [ 1, 0]},
      "foot_l": {"scl": [ 1, 0], "pos": [0, 0]},
      "foot_r": {"scl": [ 1, 0], "pos": [0, 0]}
    }
  ]
}