{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858302,-0.513145,0.000000,0.000000,0.262588,-0.439214,0.859150,0.000000,-0.440090,0.736108,0.514263,0.000000,-2809439.555624,4699158.735796,3260969.315214,1],    "boundingVolume": {    "region": [2.109559,0.540085,2.109723,0.540211,0.000000,89.490900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_228736.b3dm"}}}