{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897947,-0.440104,0.000000,0.000000,0.282471,-0.576328,0.766848,0.000000,-0.336556,0.686678,0.644362,0.000000,-2149592.751351,4385828.181370,4088002.552922,1],    "boundingVolume": {    "region": [2.026447,0.700154,2.026574,0.700223,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883566.b3dm"}}}