Firebase - 無效的JSON數據或鍵值。鍵值不能包含$＃[] /或

我試圖將我的JSON文件導入到我的Firebase，但它不斷給我這個錯誤。我不知道爲什麼這個JSON文件不允許被導入，因爲JSONLint說這是一個有效的JSON文件。

這裏的文件：

{ 
    "Featured" : { 
     "artist" : "james turell", 
     "artistEPK" : "artistsownepk.pdf", 
     "author" : "john queue author", 
     "date" : "7/28/2016", 
     "fullScreenImg" : "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687", 
     "linksToMedia" : [ "www.wallplay.com/project-name/james-t/press.html" ], 
     "linksToPress" : [ "" ], 
     "location" : "10 Main Street", 
     "mainImg" : "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687", 
     "pressImgs" : [ "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687", "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687", "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687" ], 
     "pressRelease" : "projectpressrelease.pdf", 
     "projectImgs" : [ "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687", "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687", "https://firebasestorage.googleapis.com/v0/b/wallplay-a8440.appspot.com/o/Screen%20Shot%202016-06-08%20at%2012.00.06%20PM.png?alt=media&token=1df5d60d-808c-48bb-a591-e005f82e4687" ], 
     "projectSubheader" : "subheader of project", 
     "projectTitle" : "title of project", 
     "projectURL" : "", 
     "soundFile" : [ ], 
     "text" : "here there would be a text for james turell", 
     "videoURL" : "" 
    }, 
    "Future" : { 

    }, 
    "Past" : { 

    }, 
    "Present" : { 

    } 
}

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