{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948884,-0.315625,0.000000,0.000000,0.176459,-0.530500,0.829115,0.000000,-0.261138,0.785076,0.561660,0.000000,-1667338.516234,5012620.674834,3562124.669940,1],    "boundingVolume": {    "region": [1.891843,0.596337,1.891981,0.596444,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1112559.b3dm"}}}