{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950652,-0.310258,0.000000,0.000000,0.113919,-0.349055,0.930152,0.000000,-0.288324,0.883446,0.369313,0.000000,-1839811.512745,5637315.801628,2340826.113103,1],    "boundingVolume": {    "region": [1.886186,0.378230,1.886335,0.378308,0.000000,5.884076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/4_8556.b3dm"}}}