{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950356,-0.311166,0.000000,0.000000,0.174019,-0.531484,0.829001,0.000000,-0.257413,0.786185,0.561829,0.000000,-1643553.840675,5019700.629167,3563200.893380,1],    "boundingVolume": {    "region": [1.887140,0.596503,1.887292,0.596688,0.000000,8.813921]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1399150.b3dm"}}}