{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943318,-0.331891,0.000000,0.000000,0.186182,-0.529175,0.827835,0.000000,-0.274168,0.779255,0.563555,0.000000,-1750542.605701,4975484.661743,3574169.774697,1],    "boundingVolume": {    "region": [1.909031,0.598634,1.909176,0.598732,0.000000,8.201374]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_657656.b3dm"}}}