{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948748,-0.316033,0.000000,0.000000,0.176359,-0.529439,0.829814,0.000000,-0.261698,0.785632,0.560622,0.000000,-1670907.619123,5016146.741308,3555526.966222,1],    "boundingVolume": {    "region": [1.892294,0.595025,1.892390,0.595248,0.000000,8.812225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1178776.b3dm"}}}