{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949518,-0.313714,0.000000,0.000000,0.175123,-0.530043,0.829691,0.000000,-0.259739,0.786151,0.560805,0.000000,-1658396.866311,5019465.416389,3556692.747184,1],    "boundingVolume": {    "region": [1.889817,0.595225,1.889979,0.595491,0.000000,8.806784]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1368224.b3dm"}}}