{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949225,-0.314598,0.000000,0.000000,0.175465,-0.529424,0.830013,0.000000,-0.260573,0.786217,0.560325,0.000000,-1663721.414778,5019879.991383,3553640.208904,1],    "boundingVolume": {    "region": [1.890782,0.594683,1.890877,0.594873,0.000000,11.832347]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/27_1379700.b3dm"}}}