[
    {
        "NpcId":1,
        "FootStepSize":1,
        "FallDownSize":1
    },
    {
        "NpcId":84300,
        "FootStepSize":8430,
        "FallDownSize":8430
    },
    {
        "NpcId":84310,
        "FootStepSize":8431,
        "FallDownSize":8431
    },
    {
        "NpcId":8430,
        "FootStepSize":8430,
        "FallDownSize":8430
    },
    {
        "NpcId":8431,
        "FootStepSize":8431,
        "FallDownSize":8431
    }
]