{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949257,-0.314503,0.000000,0.000000,0.116232,-0.350821,0.929201,0.000000,-0.291967,0.881237,0.371722,0.000000,-1863065.431920,5623249.057592,2356114.601799,1],    "boundingVolume": {    "region": [1.890660,0.380814,1.890798,0.380914,0.000000,18.657913]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/9_71944.b3dm"}}}