{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948971,-0.315362,0.000000,0.000000,0.115957,-0.348933,0.929946,0.000000,-0.293002,0.881686,0.369836,0.000000,-1869663.600965,5626093.287054,2344148.074942,1],    "boundingVolume": {    "region": [1.891582,0.378798,1.891687,0.378868,0.000000,14.050071]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/20_12833.b3dm"}}}