{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950523,-0.310655,0.000000,0.000000,0.173538,-0.530979,0.829425,0.000000,-0.257123,0.786729,0.561200,0.000000,-1641700.315382,5023163.569101,3559199.927613,1],    "boundingVolume": {    "region": [1.886621,0.595777,1.886737,0.595892,0.000000,8.812857]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1343322.b3dm"}}}