{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950184,-0.311690,0.000000,0.000000,0.174246,-0.531185,0.829144,0.000000,-0.257892,0.786180,0.561616,0.000000,-1646609.260747,5019665.249456,3561848.942018,1],    "boundingVolume": {    "region": [1.887699,0.596234,1.887837,0.596442,0.000000,8.780362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397207.b3dm"}}}