{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950623,-0.310347,0.000000,0.000000,0.116857,-0.357943,0.926402,0.000000,-0.287231,0.879816,0.378710,0.000000,-1832880.933208,5614285.221888,2400447.157263,1],    "boundingVolume": {    "region": [1.886295,0.388338,1.886414,0.388467,0.000000,21.931383]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/14_58227.b3dm"}}}