{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943268,-0.332033,0.000000,0.000000,0.186154,-0.528841,0.828054,0.000000,-0.274359,0.779422,0.563230,0.000000,-1751761.479439,4976547.622899,3572106.029066,1],    "boundingVolume": {    "region": [1.909182,0.598241,1.909327,0.598339,0.000000,8.125682]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_568526.b3dm"}}}