{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950621,-0.310353,0.000000,0.000000,0.173639,-0.531864,0.828837,0.000000,-0.256689,0.786247,0.562073,0.000000,-1638931.566730,5020104.873909,3564749.670508,1],    "boundingVolume": {    "region": [1.886278,0.596805,1.886443,0.596974,0.000000,8.496512]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1327024.b3dm"}}}