{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950357,-0.311162,0.000000,0.000000,0.173915,-0.531175,0.829221,0.000000,-0.257479,0.786396,0.561503,0.000000,-1643969.119517,5021043.664719,3561130.397073,1],    "boundingVolume": {    "region": [1.887136,0.596109,1.887288,0.596294,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1432262.b3dm"}}}