{
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      {
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    ],
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        "activityId": "a1",
        "endMissionId": "e1m10",
        "objectId": "a1t2",
        "startMissionId": "e1m9"
      },
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        "objectId": "a1t3",
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      },
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        "objectId": "a1t4",
        "startMissionId": "e3m1"
      }
    ],
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  },
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    "activityTasks": [
      {
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        "objectId": "a2t2",
        "startMissionId": "e6m2"
      }
    ],
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  }
}