{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949408,-0.314044,0.000000,0.000000,0.175083,-0.529304,0.830171,0.000000,-0.260164,0.786519,0.560091,0.000000,-1661108.379939,5021804.679487,3552152.972825,1],    "boundingVolume": {    "region": [1.890165,0.594363,1.890327,0.594628,0.000000,8.772119]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/10_1461700.b3dm"}}}