{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896691,-0.442657,0.000000,0.000000,0.282787,-0.572842,0.769340,0.000000,-0.339618,0.687964,0.641378,0.000000,-2169118.390806,4393982.919303,4069015.362824,1],    "boundingVolume": {    "region": [2.029265,0.696236,2.029448,0.696349,0.000000,59.875551]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/7_480247.b3dm"}}}