{"eef_direction_index": 0, "eef_direction": "forward"}
{"eef_direction_index": 1, "eef_direction": "backward"}
{"eef_direction_index": 2, "eef_direction": "left"}
{"eef_direction_index": 3, "eef_direction": "right"}
{"eef_direction_index": 4, "eef_direction": "up"}
{"eef_direction_index": 5, "eef_direction": "down"}
{"eef_direction_index": 6, "eef_direction": "still"}