{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949641,-0.313341,0.000000,0.000000,0.114316,-0.346457,0.931074,0.000000,-0.291482,0.883391,0.366959,0.000000,-1859948.732767,5636930.794404,2325892.165308,1],    "boundingVolume": {    "region": [1.889421,0.375613,1.889590,0.375862,0.000000,18.053383]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_32303.b3dm"}}}