{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897882,-0.440235,0.000000,0.000000,0.282620,-0.576418,0.766726,0.000000,-0.336603,0.686519,0.644508,0.000000,-2149890.943038,4384812.961901,4088928.454144,1],    "boundingVolume": {    "region": [2.026594,0.700345,2.026720,0.700414,0.000000,15.625746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852601.b3dm"}}}