{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949172,-0.314758,0.000000,0.000000,0.175813,-0.530175,0.829460,0.000000,-0.260530,0.785644,0.561148,0.000000,-1663451.514738,5016238.010559,3558870.240337,1],    "boundingVolume": {    "region": [1.890929,0.595719,1.891067,0.595825,0.000000,12.426499]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1364054.b3dm"}}}