{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949434,-0.313967,0.000000,0.000000,0.175506,-0.530729,0.829171,0.000000,-0.259784,0.785585,0.561577,0.000000,-1658688.594098,5015863.652538,3561601.466728,1],    "boundingVolume": {    "region": [1.890115,0.596250,1.890214,0.596332,0.000000,5.907902]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1358352.b3dm"}}}