{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944271,-0.329168,0.000000,0.000000,0.184030,-0.527920,0.829116,0.000000,-0.272344,0.781261,0.561659,0.000000,-1738881.646342,4988256.723810,3562120.380478,1],    "boundingVolume": {    "region": [1.906162,0.596352,1.906276,0.596427,0.000000,8.778995]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_191923.b3dm"}}}