{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949740,-0.313039,0.000000,0.000000,0.174982,-0.530885,0.829181,0.000000,-0.259019,0.785848,0.561561,0.000000,-1653807.105421,5017547.945250,3561499.768100,1],    "boundingVolume": {    "region": [1.889111,0.596188,1.889264,0.596356,0.000000,18.428142]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/5_1439873.b3dm"}}}