{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896750,-0.442537,0.000000,0.000000,0.282710,-0.572880,0.769340,0.000000,-0.339525,0.688010,0.641377,0.000000,-2168527.869509,4394276.213634,4069013.400865,1],    "boundingVolume": {    "region": [2.029130,0.696236,2.029313,0.696348,0.000000,45.700907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/7_473202.b3dm"}}}