{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896549,-0.442944,0.000000,0.000000,0.283434,-0.573690,0.768470,0.000000,-0.339450,0.687071,0.642422,0.000000,-2168057.954417,4388301.003401,4075661.992958,1],    "boundingVolume": {    "region": [2.029592,0.697580,2.029760,0.697730,0.000000,43.897738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_503142.b3dm"}}}