Gson反序列化混合对象类型

I have a JSON:

我有一个JSON:

"account_representatives": [
      {
        "Sales Person": 1307,
        "default_ticket_assignments": [
          ""
        ],
        "Primary Account Manager": 1307,
        "Secondary Support-3": 1151,
        "Relationship Mgr": 1307,
        "authorized_resources": [
          ""
        ],
        "Technical Account Manager": 164
      }
    ]
"account_represent