{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950326,-0.311257,0.000000,0.000000,0.174208,-0.531890,0.828700,0.000000,-0.257394,0.785872,0.562275,0.000000,-1643433.235860,5017714.298898,3566034.005770,1],    "boundingVolume": {    "region": [1.887263,0.597085,1.887360,0.597184,0.000000,8.791994]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1385469.b3dm"}}}