{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948736,-0.316071,0.000000,0.000000,0.176375,-0.529417,0.829825,0.000000,-0.261733,0.785632,0.560605,0.000000,-1671129.224594,5016148.514916,3555421.026768,1],    "boundingVolume": {    "region": [1.892334,0.595005,1.892430,0.595228,0.000000,8.350974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1074985.b3dm"}}}