{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950262,-0.311453,0.000000,0.000000,0.173985,-0.530840,0.829421,0.000000,-0.257782,0.786509,0.561206,0.000000,-1645905.499967,5021756.138777,3559243.538702,1],    "boundingVolume": {    "region": [1.887468,0.595784,1.887568,0.595901,0.000000,8.819647]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1429459.b3dm"}}}