{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950595,-0.310433,0.000000,0.000000,0.173659,-0.531772,0.828892,0.000000,-0.256772,0.786279,0.561991,0.000000,-1639462.987039,5020302.268523,3564230.774847,1],    "boundingVolume": {    "region": [1.886396,0.596742,1.886493,0.596840,0.000000,8.813590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1395528.b3dm"}}}