{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949181,-0.314730,0.000000,0.000000,0.175948,-0.530633,0.829139,0.000000,-0.260405,0.785345,0.561625,0.000000,-1662657.117858,5014333.300934,3561903.897786,1],    "boundingVolume": {    "region": [1.890900,0.596295,1.891038,0.596402,0.000000,10.345982]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1416452.b3dm"}}}