{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949833,-0.312759,0.000000,0.000000,0.174598,-0.530247,0.829671,0.000000,-0.258942,0.786393,0.560835,0.000000,-1653307.432526,5021010.698076,3556879.765711,1],    "boundingVolume": {    "region": [1.888811,0.595328,1.888974,0.595459,0.000000,8.709913]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355532.b3dm"}}}