{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949108,-0.314951,0.000000,0.000000,0.176142,-0.530806,0.828987,0.000000,-0.260540,0.785139,0.561850,0.000000,-1663515.686486,5013023.657540,3563336.511804,1],    "boundingVolume": {    "region": [1.891151,0.596610,1.891252,0.596632,0.000000,11.992885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/10_1420819.b3dm"}}}