{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858168,-0.513369,0.000000,0.000000,0.262525,-0.438848,0.859356,0.000000,-0.440388,0.736171,0.513916,0.000000,-2811344.041477,4699558.053760,3258766.619648,1],    "boundingVolume": {    "region": [2.109820,0.539681,2.109984,0.539806,0.000000,11.671500]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_130269.b3dm"}}}