{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857824,-0.513944,0.000000,0.000000,0.263073,-0.439094,0.859063,0.000000,-0.440730,0.735622,0.514409,0.000000,-2813529.826708,4696060.339852,3261899.846320,1],    "boundingVolume": {    "region": [2.110490,0.540256,2.110655,0.540381,0.000000,17.764566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/6_386142.b3dm"}}}