{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949313,-0.314333,0.000000,0.000000,0.175538,-0.530139,0.829541,0.000000,-0.260204,0.785839,0.561027,0.000000,-1661369.151260,5017474.597817,3558104.836006,1],    "boundingVolume": {    "region": [1.890482,0.595573,1.890619,0.595679,0.000000,8.789943]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1366348.b3dm"}}}