{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897941,-0.440116,0.000000,0.000000,0.282487,-0.576341,0.766833,0.000000,-0.336559,0.686661,0.644380,0.000000,-2149608.104129,4385715.607232,4088114.497968,1],    "boundingVolume": {    "region": [2.026460,0.700177,2.026587,0.700246,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883746.b3dm"}}}