{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943967,-0.330039,0.000000,0.000000,0.184407,-0.527435,0.829341,0.000000,-0.273139,0.781223,0.561324,0.000000,-1743959.749327,4988012.415741,3559993.643675,1],    "boundingVolume": {    "region": [1.907094,0.595928,1.907189,0.596043,0.000000,8.697879]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1271019.b3dm"}}}