{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897887,-0.440225,0.000000,0.000000,0.282610,-0.576414,0.766732,0.000000,-0.336598,0.686529,0.644500,0.000000,-2149860.486515,4384874.578087,4088878.727054,1],    "boundingVolume": {    "region": [2.026583,0.700335,2.026709,0.700403,0.000000,33.682253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852472.b3dm"}}}