{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950390,-0.311061,0.000000,0.000000,0.173981,-0.531567,0.828955,0.000000,-0.257312,0.786169,0.561897,0.000000,-1642907.257222,5019604.245714,3563631.925131,1],    "boundingVolume": {    "region": [1.887057,0.596628,1.887154,0.596727,0.000000,8.795234]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1328127.b3dm"}}}