{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896531,-0.442981,0.000000,0.000000,0.282944,-0.572638,0.769434,0.000000,-0.339908,0.687926,0.641264,0.000000,-2170971.603423,4393739.129460,4068295.069512,1],    "boundingVolume": {    "region": [2.029626,0.696089,2.029809,0.696201,0.000000,56.610151]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_942221.b3dm"}}}