{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949351,-0.314217,0.000000,0.000000,0.175402,-0.529947,0.829693,0.000000,-0.260156,0.786015,0.560802,0.000000,-1661060.122346,5018597.473450,3556674.859662,1],    "boundingVolume": {    "region": [1.890347,0.595222,1.890509,0.595487,0.000000,8.668974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1368241.b3dm"}}}