{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948823,-0.315808,0.000000,0.000000,0.176290,-0.529649,0.829695,0.000000,-0.261474,0.785580,0.560799,0.000000,-1669474.922277,5015819.726130,3556653.535147,1],    "boundingVolume": {    "region": [1.892057,0.595239,1.892152,0.595462,0.000000,8.764068]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1180086.b3dm"}}}