{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943971,-0.330027,0.000000,0.000000,0.183883,-0.525958,0.830395,0.000000,-0.273480,0.782228,0.559757,0.000000,-1746121.987536,4994400.821059,3550030.152479,1],    "boundingVolume": {    "region": [1.907074,0.594002,1.907184,0.594182,0.000000,8.492111]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_1243031.b3dm"}}}