{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949908,-0.312531,0.000000,0.000000,0.174504,-0.530389,0.829600,0.000000,-0.258731,0.786387,0.560940,0.000000,-1651960.271978,5020977.223246,3557548.381853,1],    "boundingVolume": {    "region": [1.888570,0.595455,1.888734,0.595586,0.000000,8.462699]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1354693.b3dm"}}}