{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951874,-0.306488,0.000000,0.000000,0.112605,-0.349723,0.930061,0.000000,-0.284793,0.884494,0.369544,0.000000,-1817279.003635,5644007.004669,2342293.402905,1],    "boundingVolume": {    "region": [1.882216,0.378458,1.882380,0.378578,0.000000,31.872337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_46326.b3dm"}}}