{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858231,-0.513263,0.000000,0.000000,0.262623,-0.439134,0.859180,0.000000,-0.440207,0.736073,0.514212,0.000000,-2810189.758382,4698935.922536,3260646.138095,1],    "boundingVolume": {    "region": [2.109697,0.540026,2.109862,0.540151,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_128798.b3dm"}}}