{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898096,-0.439800,0.000000,0.000000,0.281181,-0.574187,0.768925,0.000000,-0.337242,0.688668,0.641876,0.000000,-2153951.190943,4398485.842996,4072184.814955,1],    "boundingVolume": {    "region": [2.026126,0.696914,2.026219,0.696970,0.000000,43.237661]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_751194.b3dm"}}}