{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897881,-0.440239,0.000000,0.000000,0.282612,-0.576395,0.766746,0.000000,-0.336615,0.686536,0.644484,0.000000,-2149966.507220,4384919.027145,4088776.005861,1],    "boundingVolume": {    "region": [2.026598,0.700313,2.026725,0.700382,0.000000,17.014377]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852152.b3dm"}}}