{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950341,-0.311210,0.000000,0.000000,0.174067,-0.531549,0.828949,0.000000,-0.257433,0.786123,0.561906,0.000000,-1643680.664819,5019309.824474,3563689.594389,1],    "boundingVolume": {    "region": [1.887186,0.596596,1.887338,0.596781,0.000000,8.519811]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1328045.b3dm"}}}