[
  {
    "id": "U001",
    "name": "王先生",
    "role": "demander",
    "phone": "13800138001",
    "company": "星耀科技",
    "avatar": "王",
    "credit_score": 850,
    "created_at": "2026-01-15"
  },
  {
    "id": "U002",
    "name": "张师傅",
    "role": "provider",
    "phone": "13900139002",
    "company": "飞驰无人机物流",
    "avatar": "张",
    "credit_score": 920,
    "created_at": "2026-02-01"
  },
  {
    "id": "U003",
    "name": "李师傅",
    "role": "provider",
    "phone": "13700137003",
    "company": "蓝天速运",
    "avatar": "李",
    "credit_score": 890,
    "created_at": "2026-02-10"
  },
  {
    "id": "U004",
    "name": "王师傅",
    "role": "provider",
    "phone": "13600136004",
    "company": "极速无人机配送",
    "avatar": "王",
    "credit_score": 870,
    "created_at": "2026-03-05"
  },
  {
    "id": "U005",
    "name": "赵师傅",
    "role": "provider",
    "phone": "13500135005",
    "company": "顺风航空物流",
    "avatar": "赵",
    "credit_score": 880,
    "created_at": "2026-03-12"
  },
  {
    "id": "U006",
    "name": "北京中心血站",
    "role": "demander",
    "phone": "4001234567",
    "company": "北京市红十字血液中心",
    "avatar": "血",
    "credit_score": 950,
    "created_at": "2026-04-01"
  }
]