[
  {
    "contentVec": [
      {
        "materialId": 104002,
        "materialNum": 5
      },
      {
        "materialId": 104013,
        "materialNum": 3
      },
      {
        "materialId": 108168,
        "materialNum": 3
      },
      {},
      {}
    ],
    "mailConfigId": 43,
    "configId": 602,
    "priceTier": "None"
  },
  {
    "contentVec": [
      {
        "materialId": 104003,
        "materialNum": 5
      },
      {
        "materialId": 115025,
        "materialNum": 5
      },
      {
        "materialId": 108063,
        "materialNum": 3
      },
      {},
      {}
    ],
    "mailConfigId": 44,
    "configId": 603,
    "priceTier": "None"
  }
]