{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950197,-0.311649,0.000000,0.000000,0.174285,-0.531383,0.829010,0.000000,-0.257815,0.786062,0.561816,0.000000,-1646122.494028,5018917.203844,3563119.278894,1],    "boundingVolume": {    "region": [1.887648,0.596487,1.887800,0.596672,0.000000,8.785472]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398961.b3dm"}}}