{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951888,-0.306446,0.000000,0.000000,0.112569,-0.349665,0.930088,0.000000,-0.284762,0.884532,0.369477,0.000000,-1817083.654237,5644247.773146,2341867.618265,1],    "boundingVolume": {    "region": [1.882172,0.378386,1.882336,0.378506,0.000000,31.872337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_45918.b3dm"}}}