{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950076,-0.312018,0.000000,0.000000,0.116859,-0.355828,0.927217,0.000000,-0.289034,0.880092,0.376693,0.000000,-1844376.375634,5616014.866823,2387648.098194,1],    "boundingVolume": {    "region": [1.888059,0.386133,1.888167,0.386314,0.000000,23.729566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_61200.b3dm"}}}