{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949984,-0.312298,0.000000,0.000000,0.114380,-0.347933,0.930516,0.000000,-0.290335,0.883175,0.368385,0.000000,-1852639.513564,5635569.924204,2334944.655062,1],    "boundingVolume": {    "region": [1.888393,0.377228,1.888422,0.377316,0.000000,15.727990]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/27/15.b3dm"}}}