{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943320,-0.331884,0.000000,0.000000,0.186181,-0.529187,0.827827,0.000000,-0.274159,0.779250,0.563566,0.000000,-1750487.792024,4975452.697160,3574240.639109,1],    "boundingVolume": {    "region": [1.909024,0.598648,1.909168,0.598745,0.000000,8.645646]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_657698.b3dm"}}}