{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950632,-0.310319,0.000000,0.000000,0.173613,-0.531847,0.828853,0.000000,-0.256666,0.786272,0.562049,0.000000,-1638786.879421,5020259.921192,3564598.851616,1],    "boundingVolume": {    "region": [1.886243,0.596777,1.886408,0.596946,0.000000,8.793080]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396145.b3dm"}}}