{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892480,-0.451087,0.000000,0.000000,0.290932,-0.575611,0.764219,0.000000,-0.343764,0.680140,0.647484,0.000000,-2195657.019606,4344126.281301,4107865.946599,1],    "boundingVolume": {    "region": [2.038727,0.704244,2.038832,0.704313,0.000000,26.180016]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1977454.b3dm"}}}