{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896910,-0.442213,0.000000,0.000000,0.282391,-0.572754,0.769550,0.000000,-0.339371,0.688322,0.641124,0.000000,-2167538.006339,4396263.867312,4067404.314039,1],    "boundingVolume": {    "region": [2.028770,0.695906,2.028953,0.696019,0.000000,51.727652]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_451265.b3dm"}}}