{
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            {"_type" : "RefTypes",  "sofa" : 8 }, 
            {"_type" : "RefTypes",  "sofa" : 8 },  29 ] },  29 ] } }, 
  "_referenced_fss" : {
    "8" : {"_type" : "Sofa",  "sofaNum" : 1,  "sofaID" : "_InitialView" }, 
    "29" : {"_type" : "RefTypes",  "sofa" : 8 } } }