{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898428,-0.439121,0.000000,0.000000,0.283593,-0.580224,0.763489,0.000000,-0.334322,0.684013,0.648348,0.000000,-2135357.424594,4368880.512745,4113360.285824,1],    "boundingVolume": {    "region": [2.025350,0.705301,2.025482,0.705524,0.000000,8.109860]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1831697.b3dm"}}}