{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949140,-0.314853,0.000000,0.000000,0.175629,-0.529441,0.829968,0.000000,-0.260770,0.786104,0.560392,0.000000,-1664978.476925,5019158.070009,3554068.266491,1],    "boundingVolume": {    "region": [1.891051,0.594764,1.891146,0.594954,0.000000,8.765402]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/27_1379003.b3dm"}}}