{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897868,-0.440265,0.000000,0.000000,0.282645,-0.576420,0.766715,0.000000,-0.336621,0.686498,0.644521,0.000000,-2150003.739966,4384680.354793,4089010.790808,1],    "boundingVolume": {    "region": [2.026626,0.700362,2.026753,0.700431,0.000000,15.447169]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_852736.b3dm"}}}