{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950175,-0.311717,0.000000,0.000000,0.173874,-0.530001,0.829980,0.000000,-0.258176,0.786972,0.560375,0.000000,-1648418.218929,5024698.559410,3553959.660509,1],    "boundingVolume": {    "region": [1.887714,0.594773,1.887878,0.594904,0.000000,8.813611]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1376179.b3dm"}}}