{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950560,-0.310540,0.000000,0.000000,0.172310,-0.527440,0.831935,0.000000,-0.257813,0.789163,0.557453,0.000000,-1646076.642694,5038634.766577,3535390.514519,1],    "boundingVolume": {    "region": [1.886472,0.591253,1.886642,0.591377,0.000000,7.722150]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/25_1322243.b3dm"}}}