{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951139,-0.308763,0.000000,0.000000,0.115732,-0.356508,0.927097,0.000000,-0.285982,0.880961,0.376991,0.000000,-1824900.357354,5621565.011334,2389538.716826,1],    "boundingVolume": {    "region": [1.884607,0.386494,1.884771,0.386597,0.000000,21.098882]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/12_4617.b3dm"}}}