{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871215,-0.490901,0.000000,0.000000,0.212030,-0.376295,0.901912,0.000000,-0.442192,0.784770,0.434283,0.000000,-2822144.469075,5008533.807540,2753114.297896,1],    "boundingVolume": {    "region": [2.083864,0.449202,2.083976,0.449283,0.000000,126.557490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_227424.b3dm"}}}