{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896572,-0.442898,0.000000,0.000000,0.283367,-0.573628,0.768540,0.000000,-0.339447,0.687152,0.642338,0.000000,-2168033.671874,4388817.558937,4075122.298726,1],    "boundingVolume": {    "region": [2.029540,0.697470,2.029709,0.697619,0.000000,40.233522]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_500240.b3dm"}}}