{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944769,-0.327738,0.000000,0.000000,0.182874,-0.527168,0.829850,0.000000,-0.271403,0.782371,0.560568,0.000000,-1732868.274275,4995324.566672,3555186.177769,1],    "boundingVolume": {    "region": [1.904623,0.594937,1.904787,0.595206,0.000000,8.758200]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/0/7_728760.b3dm"}}}