{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949330,-0.314281,0.000000,0.000000,0.175506,-0.530140,0.829547,0.000000,-0.260163,0.785859,0.561018,0.000000,-1661106.894693,5017602.530621,3558047.260911,1],    "boundingVolume": {    "region": [1.890427,0.595562,1.890564,0.595669,0.000000,8.789943]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1366507.b3dm"}}}