{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950554,-0.310560,0.000000,0.000000,0.173557,-0.531220,0.829267,0.000000,-0.256995,0.786603,0.561435,0.000000,-1640880.117909,5022364.233771,3560695.782611,1],    "boundingVolume": {    "region": [1.886529,0.596069,1.886627,0.596168,0.000000,8.780530]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1426786.b3dm"}}}