{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950431,-0.310936,0.000000,0.000000,0.173496,-0.530322,0.829854,0.000000,-0.257490,0.787064,0.560562,0.000000,-1644034.768305,5025289.127096,3555146.901718,1],    "boundingVolume": {    "region": [1.886882,0.594991,1.887065,0.595137,0.000000,8.789362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/14_1449575.b3dm"}}}