{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896529,-0.442985,0.000000,0.000000,0.283442,-0.573640,0.768504,0.000000,-0.339497,0.687086,0.642381,0.000000,-2168356.328600,4388397.407194,4075401.210385,1],    "boundingVolume": {    "region": [2.029638,0.697527,2.029806,0.697676,0.000000,43.897738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_505752.b3dm"}}}