{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942802,-0.333354,0.000000,0.000000,0.186915,-0.528639,0.828012,0.000000,-0.275436,0.778997,0.563293,0.000000,-1758637.191629,4973832.534267,3572506.386051,1],    "boundingVolume": {    "region": [1.910593,0.598335,1.910717,0.598397,0.000000,8.762124]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/27_1285438.b3dm"}}}