{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949061,-0.315091,0.000000,0.000000,0.116196,-0.349984,0.929521,0.000000,-0.292615,0.881363,0.370912,0.000000,-1867200.288740,5624042.578738,2350976.380228,1],    "boundingVolume": {    "region": [1.891295,0.379934,1.891403,0.380049,0.000000,48.073760]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/22_1578.b3dm"}}}