{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949246,-0.314534,0.000000,0.000000,0.175895,-0.530842,0.829016,0.000000,-0.260204,0.785281,0.561807,0.000000,-1661374.067185,5013930.373867,3563061.792309,1],    "boundingVolume": {    "region": [1.890712,0.596558,1.890813,0.596580,0.000000,8.328071]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/7_1417902.b3dm"}}}