{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950202,-0.311636,0.000000,0.000000,0.174421,-0.531825,0.828698,0.000000,-0.257706,0.785767,0.562279,0.000000,-1645428.777051,5017042.957352,3566058.196019,1],    "boundingVolume": {    "region": [1.887634,0.597046,1.887786,0.597231,0.000000,8.770137]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1325894.b3dm"}}}