{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950205,-0.311625,0.000000,0.000000,0.174274,-0.531396,0.829003,0.000000,-0.257794,0.786063,0.561826,0.000000,-1645984.407753,5018919.848784,3563178.942380,1],    "boundingVolume": {    "region": [1.887623,0.596498,1.887775,0.596684,0.000000,8.804214]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1399103.b3dm"}}}