{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950271,-0.311426,0.000000,0.000000,0.173722,-0.530087,0.829957,0.000000,-0.257928,0.787029,0.560409,0.000000,-1646830.771842,5025066.043312,3554174.570824,1],    "boundingVolume": {    "region": [1.887440,0.594821,1.887539,0.594938,0.000000,8.790312]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1451978.b3dm"}}}