{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950134,-0.311842,0.000000,0.000000,0.114728,-0.349559,0.929863,0.000000,-0.289706,0.882687,0.370046,0.000000,-1848630.003447,5632481.634984,2345479.379090,1],    "boundingVolume": {    "region": [1.887853,0.379019,1.888002,0.379098,0.000000,6.361314]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/28/15_4819.b3dm"}}}