{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896542,-0.442959,0.000000,0.000000,0.283486,-0.573770,0.768390,0.000000,-0.339427,0.686994,0.642518,0.000000,-2167909.613533,4387808.224604,4076267.325111,1],    "boundingVolume": {    "region": [2.029609,0.697705,2.029778,0.697854,0.000000,18.210640]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_503118.b3dm"}}}