{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944032,-0.329855,0.000000,0.000000,0.184376,-0.527677,0.829194,0.000000,-0.272938,0.781137,0.561543,0.000000,-1742675.888063,4987464.638855,3561380.194311,1],    "boundingVolume": {    "region": [1.906899,0.596191,1.906994,0.596306,0.000000,8.741555]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1266512.b3dm"}}}