{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950598,-0.310423,0.000000,0.000000,0.173580,-0.531548,0.829052,0.000000,-0.256815,0.786434,0.561754,0.000000,-1639731.482812,5021293.532869,3562720.760839,1],    "boundingVolume": {    "region": [1.886386,0.596455,1.886483,0.596553,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1389882.b3dm"}}}