{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949671,-0.313248,0.000000,0.000000,0.174771,-0.529850,0.829888,0.000000,-0.259416,0.786467,0.560511,0.000000,-1656331.632708,5021478.855657,3554825.124612,1],    "boundingVolume": {    "region": [1.889327,0.594870,1.889489,0.595136,0.000000,8.782894]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1357842.b3dm"}}}