{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948973,-0.315357,0.000000,0.000000,0.175989,-0.529586,0.829799,0.000000,-0.261134,0.785804,0.560644,0.000000,-1667302.321909,5017246.672855,3555666.535491,1],    "boundingVolume": {    "region": [1.891582,0.595068,1.891677,0.595258,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074199.b3dm"}}}