{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949183,-0.314724,0.000000,0.000000,0.175920,-0.530562,0.829190,0.000000,-0.260417,0.785396,0.561549,0.000000,-1662728.053530,5014657.530421,3561417.574686,1],    "boundingVolume": {    "region": [1.890894,0.596203,1.891031,0.596309,0.000000,17.365746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1447049.b3dm"}}}