{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950681,-0.310169,0.000000,0.000000,0.173306,-0.531190,0.829338,0.000000,-0.256694,0.786777,0.561329,0.000000,-1638958.916223,5023472.992824,3560021.019256,1],    "boundingVolume": {    "region": [1.886110,0.595933,1.886225,0.596048,0.000000,8.548253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1342709.b3dm"}}}