{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950600,-0.310419,0.000000,0.000000,0.173770,-0.532137,0.828634,0.000000,-0.256681,0.786036,0.562373,0.000000,-1638879.699900,5018757.825465,3566656.892994,1],    "boundingVolume": {    "region": [1.886381,0.597203,1.886479,0.597302,0.000000,6.104571]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/13_1325084.b3dm"}}}