{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950049,-0.312102,0.000000,0.000000,0.174198,-0.530264,0.829744,0.000000,-0.258421,0.786641,0.560726,0.000000,-1649982.319010,5022595.372415,3556191.031595,1],    "boundingVolume": {    "region": [1.888119,0.595197,1.888283,0.595328,0.000000,8.820070]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1454371.b3dm"}}}