{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950262,-0.311453,0.000000,0.000000,0.173984,-0.530836,0.829423,0.000000,-0.257783,0.786511,0.561202,0.000000,-1645909.926250,5021774.026114,3559216.437010,1],    "boundingVolume": {    "region": [1.887468,0.595779,1.887568,0.595896,0.000000,8.819647]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1429403.b3dm"}}}