{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897938,-0.440122,0.000000,0.000000,0.282558,-0.576474,0.766706,0.000000,-0.336508,0.686544,0.644531,0.000000,-2149285.058853,4384971.025068,4089076.468849,1],    "boundingVolume": {    "region": [2.026468,0.700375,2.026595,0.700444,0.000000,8.876187]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/4_852813.b3dm"}}}