{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948876,-0.315650,0.000000,0.000000,0.176383,-0.530224,0.829308,0.000000,-0.261220,0.785254,0.561374,0.000000,-1667856.269553,5013746.587800,3560309.490854,1],    "boundingVolume": {    "region": [1.891869,0.595992,1.892006,0.596099,0.000000,8.808038]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1148889.b3dm"}}}