{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950671,-0.310201,0.000000,0.000000,0.173562,-0.531915,0.828820,0.000000,-0.256558,0.786272,0.562098,0.000000,-1638095.270591,5020264.219701,3564908.589515,1],    "boundingVolume": {    "region": [1.886118,0.596835,1.886283,0.597005,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396714.b3dm"}}}