{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896527,-0.442990,0.000000,0.000000,0.283453,-0.573655,0.768488,0.000000,-0.339494,0.687071,0.642400,0.000000,-2168336.188895,4388295.750782,4075520.582083,1],    "boundingVolume": {    "region": [2.029643,0.697551,2.029812,0.697701,0.000000,43.897738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_505738.b3dm"}}}