{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896915,-0.442204,0.000000,0.000000,0.282368,-0.572723,0.769582,0.000000,-0.339378,0.688354,0.641087,0.000000,-2167580.639862,4396467.062438,4067163.580448,1],    "boundingVolume": {    "region": [2.028759,0.695857,2.028942,0.695969,0.000000,51.727652]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_448764.b3dm"}}}