{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950219,-0.311581,0.000000,0.000000,0.174369,-0.531768,0.828745,0.000000,-0.257676,0.785827,0.562209,0.000000,-1645236.129041,5017422.963102,3565615.392266,1],    "boundingVolume": {    "region": [1.887577,0.596962,1.887729,0.597147,0.000000,8.770137]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1326390.b3dm"}}}