{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896934,-0.442165,0.000000,0.000000,0.282247,-0.572540,0.769762,0.000000,-0.339428,0.688531,0.640869,0.000000,-2167899.817824,4397596.968806,4065780.996743,1],    "boundingVolume": {    "region": [2.028716,0.695574,2.028899,0.695686,0.000000,22.317225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_446271.b3dm"}}}