{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897928,-0.440143,0.000000,0.000000,0.282502,-0.576328,0.766837,0.000000,-0.336581,0.686654,0.644375,0.000000,-2149751.935474,4385671.167065,4088086.728270,1],    "boundingVolume": {    "region": [2.026491,0.700172,2.026617,0.700241,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883697.b3dm"}}}