{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897931,-0.440136,0.000000,0.000000,0.282492,-0.576319,0.766848,0.000000,-0.336581,0.686666,0.644362,0.000000,-2149748.252338,4385749.993350,4088004.652342,1],    "boundingVolume": {    "region": [2.026483,0.700155,2.026610,0.700224,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883571.b3dm"}}}