{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899139,-0.437663,0.000000,0.000000,0.282731,-0.580845,0.763336,0.000000,-0.333145,0.684416,0.648528,0.000000,-2127842.297058,4371460.326381,4114505.966724,1],    "boundingVolume": {    "region": [2.023712,0.705589,2.023877,0.705708,0.000000,28.671816]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1828378.b3dm"}}}