{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948686,-0.316219,0.000000,0.000000,0.116238,-0.348726,0.929988,0.000000,-0.293811,0.881462,0.369728,0.000000,-1874826.844290,5624661.394344,2343464.942597,1],    "boundingVolume": {    "region": [1.892485,0.378682,1.892590,0.378752,0.000000,31.303290]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/18_12487.b3dm"}}}