{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950365,-0.311136,0.000000,0.000000,0.173900,-0.531179,0.829221,0.000000,-0.257457,0.786404,0.561502,0.000000,-1643834.576822,5021092.087348,3561124.272236,1],    "boundingVolume": {    "region": [1.887109,0.596108,1.887261,0.596293,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1432250.b3dm"}}}