{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950063,-0.312058,0.000000,0.000000,0.174005,-0.529759,0.830107,0.000000,-0.258499,0.787001,0.560186,0.000000,-1650475.851407,5024879.723253,3552756.446128,1],    "boundingVolume": {    "region": [1.888073,0.594544,1.888237,0.594676,0.000000,15.532538]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458636.b3dm"}}}