{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949115,-0.314931,0.000000,0.000000,0.176122,-0.530784,0.829005,0.000000,-0.260529,0.785162,0.561824,0.000000,-1663446.030423,5013169.187019,3563165.439496,1],    "boundingVolume": {    "region": [1.891129,0.596578,1.891231,0.596599,0.000000,8.544343]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/8_1418472.b3dm"}}}