{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951878,-0.306476,0.000000,0.000000,0.112590,-0.349690,0.930075,0.000000,-0.284786,0.884512,0.369507,0.000000,-1817235.434215,5644117.482491,2342062.539721,1],    "boundingVolume": {    "region": [1.882203,0.378419,1.882367,0.378539,0.000000,31.872337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_46125.b3dm"}}}