{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948268,-0.317472,0.000000,0.000000,0.116509,-0.348006,0.930224,0.000000,-0.295051,0.881300,0.369128,0.000000,-1882737.350103,5623614.592109,2339657.792302,1],    "boundingVolume": {    "region": [1.893806,0.378032,1.893911,0.378110,0.000000,9.020986]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/15_18517.b3dm"}}}