{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950369,-0.311124,0.000000,0.000000,0.173892,-0.531176,0.829225,0.000000,-0.257449,0.786410,0.561497,0.000000,-1643779.513591,5021133.036548,3561092.167986,1],    "boundingVolume": {    "region": [1.887096,0.596102,1.887248,0.596287,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1432148.b3dm"}}}