{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949552,-0.313611,0.000000,0.000000,0.114480,-0.346624,0.930992,0.000000,-0.291706,0.883230,0.367169,0.000000,-1861383.592837,5635903.318700,2327224.858886,1],    "boundingVolume": {    "region": [1.889705,0.375838,1.889874,0.376088,0.000000,35.088794]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_32529.b3dm"}}}