{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950378,-0.311097,0.000000,0.000000,0.173757,-0.530813,0.829486,0.000000,-0.257508,0.786667,0.561110,0.000000,-1644154.813964,5022767.285441,3558629.985914,1],    "boundingVolume": {    "region": [1.887094,0.595668,1.887193,0.595784,0.000000,8.816309]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1428707.b3dm"}}}