{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949334,-0.314270,0.000000,0.000000,0.175530,-0.530232,0.829484,0.000000,-0.260134,0.785801,0.561113,0.000000,-1660920.106743,5017235.412274,3558648.055475,1],    "boundingVolume": {    "region": [1.890415,0.595676,1.890553,0.595783,0.000000,8.746050]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/6_1365009.b3dm"}}}