{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944074,-0.329734,0.000000,0.000000,0.184385,-0.527920,0.829037,0.000000,-0.272785,0.781023,0.561775,0.000000,-1741703.489357,4986741.248092,3562858.593781,1],    "boundingVolume": {    "region": [1.906761,0.596493,1.906875,0.596567,0.000000,7.845774]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/8_194644.b3dm"}}}