{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949824,-0.312785,0.000000,0.000000,0.174604,-0.530214,0.829691,0.000000,-0.258970,0.786405,0.560805,0.000000,-1653485.098011,5021086.162402,3556691.911152,1],    "boundingVolume": {    "region": [1.888838,0.595292,1.889002,0.595423,0.000000,8.809494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355712.b3dm"}}}