{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949236,-0.314566,0.000000,0.000000,0.115186,-0.347586,0.930546,0.000000,-0.292453,0.882508,0.368308,0.000000,-1866154.900215,5631312.812386,2334456.114720,1],    "boundingVolume": {    "region": [1.890734,0.377141,1.890858,0.377237,0.000000,92.940440]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/5_23057.b3dm"}}}