{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949430,-0.313979,0.000000,0.000000,0.175153,-0.529639,0.829942,0.000000,-0.260038,0.786319,0.560431,0.000000,-1660303.430138,5020531.438420,3554313.876478,1],    "boundingVolume": {    "region": [1.890096,0.594773,1.890258,0.595039,0.000000,8.819983]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1457178.b3dm"}}}