{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943182,-0.332276,0.000000,0.000000,0.186483,-0.529343,0.827659,0.000000,-0.274427,0.778976,0.563814,0.000000,-1752198.901253,4973712.181833,3575813.689068,1],    "boundingVolume": {    "region": [1.909439,0.598947,1.909584,0.599045,0.000000,8.771567]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_657852.b3dm"}}}