{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943266,-0.332038,0.000000,0.000000,0.186352,-0.529396,0.827655,0.000000,-0.274230,0.779041,0.563820,0.000000,-1750938.340844,4974125.149093,3575856.437762,1],    "boundingVolume": {    "region": [1.909188,0.598955,1.909332,0.599053,0.000000,8.706485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_544559.b3dm"}}}