{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949260,-0.314494,0.000000,0.000000,0.175405,-0.529438,0.830017,0.000000,-0.260488,0.786250,0.560319,0.000000,-1663174.678375,5020085.425866,3553606.160694,1],    "boundingVolume": {    "region": [1.890638,0.594639,1.890800,0.594904,0.000000,8.663908]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/11_1379796.b3dm"}}}