{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948747,-0.316037,0.000000,0.000000,0.116902,-0.350940,0.929072,0.000000,-0.293350,0.880640,0.372047,0.000000,-1871895.363755,5619445.611119,2358175.581597,1],    "boundingVolume": {    "region": [1.892262,0.381108,1.892430,0.381319,0.000000,7.651395]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/9_68673.b3dm"}}}