{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949244,-0.314540,0.000000,0.000000,0.175399,-0.529335,0.830084,0.000000,-0.260547,0.786301,0.560219,0.000000,-1663555.361499,5020411.885805,3552970.998494,1],    "boundingVolume": {    "region": [1.890715,0.594524,1.890822,0.594778,0.000000,10.490571]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/11.b3dm"}}}