{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949100,-0.314975,0.000000,0.000000,0.176006,-0.530350,0.829307,0.000000,-0.260661,0.785439,0.561375,0.000000,-1664288.271504,5014929.418001,3560313.238353,1],    "boundingVolume": {    "region": [1.891158,0.595993,1.891295,0.596099,0.000000,8.871012]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1359946.b3dm"}}}