{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949222,-0.314608,0.000000,0.000000,0.175940,-0.530839,0.829008,0.000000,-0.260263,0.785254,0.561818,0.000000,-1661749.628603,5013755.726590,3563131.942230,1],    "boundingVolume": {    "region": [1.890790,0.596571,1.890891,0.596593,0.000000,10.748309]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/8_1418217.b3dm"}}}