{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897939,-0.440121,0.000000,0.000000,0.282479,-0.576317,0.766853,0.000000,-0.336572,0.686677,0.644355,0.000000,-2149689.693420,4385820.562696,4087960.036792,1],    "boundingVolume": {    "region": [2.026466,0.700146,2.026593,0.700215,0.000000,11.027674]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883519.b3dm"}}}