{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943913,-0.330196,0.000000,0.000000,0.184497,-0.527412,0.829336,0.000000,-0.273267,0.781173,0.561333,0.000000,-1744773.851597,4987690.763540,3560045.055463,1],    "boundingVolume": {    "region": [1.907259,0.595938,1.907355,0.596053,0.000000,8.697752]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1270770.b3dm"}}}