{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943194,-0.332242,0.000000,0.000000,0.186454,-0.529322,0.827680,0.000000,-0.274406,0.779005,0.563784,0.000000,-1752063.283792,4973897.543378,3575623.587030,1],    "boundingVolume": {    "region": [1.909403,0.598911,1.909548,0.599009,0.000000,8.771567]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_657829.b3dm"}}}