{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897728,-0.440550,0.000000,0.000000,0.282895,-0.576467,0.766587,0.000000,-0.336783,0.686276,0.644672,0.000000,-2151039.731820,4383264.742944,4089977.034991,1],    "boundingVolume": {    "region": [2.026945,0.700560,2.027071,0.700629,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_858099.b3dm"}}}