{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949313,-0.314331,0.000000,0.000000,0.175520,-0.530091,0.829576,0.000000,-0.260213,0.785872,0.560976,0.000000,-1661426.277996,5017688.941224,3557778.085063,1],    "boundingVolume": {    "region": [1.890479,0.595511,1.890617,0.595617,0.000000,8.819391]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1366898.b3dm"}}}