{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897947,-0.440103,0.000000,0.000000,0.282475,-0.576336,0.766841,0.000000,-0.336553,0.686672,0.644371,0.000000,-2149569.215937,4385789.065773,4088056.529459,1],    "boundingVolume": {    "region": [2.026447,0.700166,2.026573,0.700234,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883642.b3dm"}}}