{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949062,-0.315089,0.000000,0.000000,0.115980,-0.349336,0.929792,0.000000,-0.292699,0.881623,0.370227,0.000000,-1867730.634811,5625694.562794,2346627.882575,1],    "boundingVolume": {    "region": [1.891292,0.379196,1.891401,0.379311,0.000000,17.315933]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/15_6664.b3dm"}}}