[
  {
    "IndexName": "user_id_1",
    "MgoKeySchema": {
      "MgoIndexKeys": [
        {
          "Name": "user_id",
          "Direction": "1"
        }
      ],
      "MgoIsUnique": false
    }
  },
  {
    "IndexName": "friend_uid_1",
    "MgoKeySchema": {
      "MgoIndexKeys": [
        {
          "Name": "friend_uid",
          "Direction": "-1"
        }
      ],
      "MgoIsUnique": false
    }
  },
  {
    "IndexName": "group_id_1",
    "MgoKeySchema": {
      "MgoIndexKeys": [
        {
          "Name": "group_id",
          "Direction": "-1"
        }
      ],
      "MgoIsUnique": false
    }
  },
  {
    "IndexName": "update_time_1",
    "MgoKeySchema": {
      "MgoIndexKeys": [
        {
          "Name": "update_time",
          "Direction": "-1"
        }
      ],
      "MgoIsUnique": false
    }
  },
  {
    "IndexName": "id_1_user_id_1",
    "MgoKeySchema": {
      "MgoIndexKeys": [
        {
          "Name": "user_id",
          "Direction": "-1"
        },
        {
          "Name": "id",
          "Direction": "-1"
        }
      ],
      "MgoIsUnique": false
    }
  },
  {
    "IndexName": "id_1",
    "MgoKeySchema": {
      "MgoIndexKeys": [
        {
          "Name": "id",
          "Direction": "-1"
        }
      ],
      "MgoIsUnique": false
    }
  },
  {
    "IndexName": "leave_1",
    "MgoKeySchema": {
      "MgoIndexKeys": [
        {
          "Name": "leave",
          "Direction": "-1"
        }
      ],
      "MgoIsUnique": false
    }
  },
  {
    "IndexName": "unread_count_1",
    "MgoKeySchema": {
      "MgoIndexKeys": [
        {
          "Name": "unread_count",
          "Direction": "-1"
        }
      ],
      "MgoIsUnique": false
    }
  },
  {
    "IndexName": "leave_1",
    "MgoKeySchema": {
      "MgoIndexKeys": [
        {
          "Name": "leave",
          "Direction": "-1"
        }
      ],
      "MgoIsUnique": false
    }
  }
]