{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897970,-0.440057,0.000000,0.000000,0.282750,-0.576973,0.766260,0.000000,-0.336261,0.686166,0.645062,0.000000,-2147712.300625,4382567.598311,4092455.294384,1],    "boundingVolume": {    "region": [2.026395,0.701070,2.026522,0.701139,0.000000,8.119751]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/15_812345.b3dm"}}}