{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897937,-0.440124,0.000000,0.000000,0.282492,-0.576337,0.766833,0.000000,-0.336565,0.686658,0.644379,0.000000,-2149650.462333,4385697.901545,4088111.241512,1],    "boundingVolume": {    "region": [2.026470,0.700177,2.026596,0.700246,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883743.b3dm"}}}