{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949468,-0.313864,0.000000,0.000000,0.175074,-0.529616,0.829973,0.000000,-0.259953,0.786380,0.560384,0.000000,-1659758.613830,5020922.021136,3554018.582511,1],    "boundingVolume": {    "region": [1.889975,0.594717,1.890137,0.594983,0.000000,8.791650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1379121.b3dm"}}}