{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943938,-0.330122,0.000000,0.000000,0.184389,-0.527233,0.829474,0.000000,-0.273252,0.781325,0.561128,0.000000,-1744678.708724,4988659.649323,3558742.662006,1],    "boundingVolume": {    "region": [1.907182,0.595690,1.907277,0.595805,0.000000,8.789196]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1272658.b3dm"}}}