{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950676,-0.310184,0.000000,0.000000,0.173316,-0.531192,0.829335,0.000000,-0.256705,0.786770,0.561334,0.000000,-1639031.708076,5023426.847214,3560052.409803,1],    "boundingVolume": {    "region": [1.886126,0.595939,1.886241,0.596054,0.000000,8.762143]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1426571.b3dm"}}}