{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949329,-0.314284,0.000000,0.000000,0.175557,-0.530288,0.829442,0.000000,-0.260132,0.785758,0.561174,0.000000,-1660911.153434,5016960.491035,3559037.183197,1],    "boundingVolume": {    "region": [1.890430,0.595750,1.890567,0.595857,0.000000,8.616885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/7_1363154.b3dm"}}}