{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950256,-0.311471,0.000000,0.000000,0.173878,-0.530478,0.829674,0.000000,-0.257877,0.786746,0.560830,0.000000,-1646506.917145,5023267.547567,3556847.931518,1],    "boundingVolume": {    "region": [1.887487,0.595329,1.887587,0.595446,0.000000,8.805755]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1454570.b3dm"}}}