{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943973,-0.330024,0.000000,0.000000,0.184383,-0.527393,0.829373,0.000000,-0.273137,0.781258,0.561277,0.000000,-1743945.692028,4988231.945279,3559694.934431,1],    "boundingVolume": {    "region": [1.907078,0.595871,1.907173,0.595986,0.000000,8.784257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1298131.b3dm"}}}