{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949172,-0.314758,0.000000,0.000000,0.175816,-0.530184,0.829454,0.000000,-0.260528,0.785638,0.561157,0.000000,-1663436.207784,5016198.874638,3558932.139198,1],    "boundingVolume": {    "region": [1.890929,0.595730,1.891066,0.595837,0.000000,12.426499]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1363729.b3dm"}}}