Mongodb - erro de Mongoimport caractere inválido

Tentei importar um arquivo json simples usando mongoimport e recebo o seguinte erro

PER-MacBook-Pro:/AJ$ mongoimport --db test --collection samplePM --file /users/AJ/Documents/Development/ETLwork/Dummydata/Penguin_Players.json
2015-06-16T09:53:57.291-0400    connected to: localhost
2015-06-16T09:53:57.293-0400    Failed: error processing document #1: invalid character '\\' looking for beginning of object key string
2015-06-16T09:53:57.293-0400    imported 0 documents

O arquivo json de amostra é o seguinte:

      {  
         "position":"Right Wing",
         "id":8465166,
         "weight":200,
         "height":"6' 0\"",
         "imageUrl":"http://1.cdn.nhle.com/photos/mugs/8465166.jpg",
         "birthplace":"Seria, BRN",
         "age":37,
         "name":"Craig Adams",
         "birthdate":"April 26, 1977",
         "number":27
      },
      {  
         "position":"Right Wing",
         "id":8475761,
         "weight":195,
         "height":"6' 2\"",
         "imageUrl":"http://1.cdn.nhle.com/photos/mugs/8475761.jpg",
         "birthplace":"Gardena, CA, USA",
         "age":23,
         "name":"Beau Bennett",
         "birthdate":"November 27, 1991",
         "number":19
      }

Estou fazendo algo errado aqui?

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