{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950194,-0.311658,0.000000,0.000000,0.174336,-0.531521,0.828910,0.000000,-0.257792,0.785964,0.561964,0.000000,-1645973.086039,5018295.567187,3564057.420704,1],    "boundingVolume": {    "region": [1.887658,0.596666,1.887810,0.596851,0.000000,7.908129]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1400115.b3dm"}}}