{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895246,-0.445572,0.000000,0.000000,0.289394,-0.581453,0.760371,0.000000,-0.337837,0.678786,0.652009,0.000000,-2157845.567557,4335561.537201,4136654.996739,1],    "boundingVolume": {    "region": [2.032519,0.710179,2.032699,0.710284,0.000000,18.925503]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/27/15_1866620.b3dm"}}}