{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950598,-0.310425,0.000000,0.000000,0.173757,-0.532088,0.828668,0.000000,-0.256696,0.786067,0.562322,0.000000,-1638977.064815,5018957.194848,3566333.770755,1],    "boundingVolume": {    "region": [1.886387,0.597142,1.886485,0.597241,0.000000,8.691090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1384560.b3dm"}}}