{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950031,-0.312155,0.000000,0.000000,0.174228,-0.530255,0.829744,0.000000,-0.258465,0.786627,0.560726,0.000000,-1650262.632876,5022502.454151,3556192.186381,1],    "boundingVolume": {    "region": [1.888175,0.595197,1.888339,0.595328,0.000000,8.820528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456723.b3dm"}}}