[
  {
    "NumInvite": 1,
    "DropID": 10401,
    "GiftIcon": ""
  },
  {
    "NumInvite": 3,
    "DropID": 10402,
    "GiftIcon": ""
  },
  {
    "NumInvite": 6,
    "DropID": 10403,
    "GiftIcon": ""
  },
  {
    "NumInvite": 10,
    "DropID": 10404,
    "GiftIcon": "icon_gift_invite"
  }
]