{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898760,-0.438442,0.000000,0.000000,0.283254,-0.580641,0.763297,0.000000,-0.333721,0.684093,0.648573,0.000000,-2131521.402252,4369394.377136,4114794.148233,1],    "boundingVolume": {    "region": [2.024578,0.705649,2.024743,0.705768,0.000000,17.268650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1833459.b3dm"}}}