{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949141,-0.314851,0.000000,0.000000,0.116101,-0.349997,0.929528,0.000000,-0.292394,0.881444,0.370895,0.000000,-1865786.564230,5624558.094889,2350866.225599,1],    "boundingVolume": {    "region": [1.891041,0.379915,1.891150,0.380030,0.000000,71.051956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_1408.b3dm"}}}