{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949172,-0.314758,0.000000,0.000000,0.175829,-0.530225,0.829425,0.000000,-0.260519,0.785611,0.561200,0.000000,-1663377.926123,5016023.599721,3559204.572832,1],    "boundingVolume": {    "region": [1.890929,0.595782,1.891066,0.595889,0.000000,9.935497]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1362557.b3dm"}}}