{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949222,-0.314608,0.000000,0.000000,0.175502,-0.529518,0.829946,0.000000,-0.260560,0.786150,0.560426,0.000000,-1663635.002010,5019451.994690,3554280.851605,1],    "boundingVolume": {    "region": [1.890792,0.594804,1.890887,0.594995,0.000000,10.400011]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/28_1372617.b3dm"}}}