{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950200,-0.311642,0.000000,0.000000,0.174321,-0.531506,0.828923,0.000000,-0.257782,0.785981,0.561945,0.000000,-1645910.607882,5018401.836620,3563937.448681,1],    "boundingVolume": {    "region": [1.887641,0.596643,1.887793,0.596828,0.000000,8.567674]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1327846.b3dm"}}}