{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898767,-0.438427,0.000000,0.000000,0.283223,-0.580602,0.763339,0.000000,-0.333728,0.684136,0.648525,0.000000,-2131563.240079,4369667.693874,4114484.314704,1],    "boundingVolume": {    "region": [2.024561,0.705585,2.024726,0.705704,0.000000,8.449724]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1832626.b3dm"}}}