{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897705,-0.440596,0.000000,0.000000,0.282912,-0.576428,0.766611,0.000000,-0.336828,0.686280,0.644645,0.000000,-2151328.554406,4383287.246956,4089802.181315,1],    "boundingVolume": {    "region": [2.026996,0.700524,2.027122,0.700593,0.000000,20.470327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/6_857500.b3dm"}}}