{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950685,-0.310157,0.000000,0.000000,0.173164,-0.530778,0.829632,0.000000,-0.256775,0.787061,0.560893,0.000000,-1639473.517838,5025280.314390,3557250.921032,1],    "boundingVolume": {    "region": [1.886096,0.595407,1.886212,0.595521,0.000000,8.047162]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1344699.b3dm"}}}