{
  "table1": {
    "字段1": 1,
    "字段2": "text1",
    "字段3": 1.2,
    "字段4": 0.5,
    "字段5": "2024-07-31 14:56:30"
  },
  "table2": [
    {
      "字段5": 1,
      "字段6": 1.2,
      "字段7": "text2"
    },
    {
      "字段5": 2,
      "字段6": 2.2,
      "字段7": "text3"
    },
    {
      "字段5": 5,
      "字段6": 1.3,
      "字段7": "text4"
    }
  ]
}