{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949580,-0.313524,0.000000,0.000000,0.175015,-0.530075,0.829693,0.000000,-0.259582,0.786205,0.560802,0.000000,-1657395.664199,5019809.885752,3556673.414917,1],    "boundingVolume": {    "region": [1.889617,0.595221,1.889779,0.595487,0.000000,8.784550]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1368246.b3dm"}}}