{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950329,-0.311248,0.000000,0.000000,0.115216,-0.351787,0.928962,0.000000,-0.288870,0.882003,0.372324,0.000000,-1843308.013946,5628146.089822,2359933.171274,1],    "boundingVolume": {    "region": [1.887239,0.381461,1.887365,0.381564,0.000000,5.933553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/15_66688.b3dm"}}}