{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950113,-0.311907,0.000000,0.000000,0.114889,-0.349968,0.929690,0.000000,-0.289711,0.882501,0.370486,0.000000,-1848665.449347,5631299.112636,2348270.394696,1],    "boundingVolume": {    "region": [1.887967,0.379496,1.888025,0.379568,0.000000,4.437246]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/28/21.b3dm"}}}