{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951880,-0.306473,0.000000,0.000000,0.112582,-0.349670,0.930084,0.000000,-0.284785,0.884521,0.369485,0.000000,-1817231.271169,5644177.575595,2341921.894847,1],    "boundingVolume": {    "region": [1.882199,0.378395,1.882363,0.378515,0.000000,31.872337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_45987.b3dm"}}}