{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897867,-0.440268,0.000000,0.000000,0.282846,-0.576825,0.766336,0.000000,-0.336455,0.686155,0.644972,0.000000,-2148952.355837,4382497.840887,4091882.847629,1],    "boundingVolume": {    "region": [2.026630,0.700952,2.026757,0.701021,0.000000,13.753059]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_854241.b3dm"}}}