{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944298,-0.329092,0.000000,0.000000,0.183983,-0.527921,0.829126,0.000000,-0.272284,0.781292,0.561644,0.000000,-1738500.065519,4988456.919934,3562026.908332,1],    "boundingVolume": {    "region": [1.906081,0.596335,1.906196,0.596409,0.000000,8.810633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_191775.b3dm"}}}