{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950249,-0.311492,0.000000,0.000000,0.174005,-0.530825,0.829426,0.000000,-0.257816,0.786503,0.561199,0.000000,-1646121.884007,5021718.653940,3559196.672287,1],    "boundingVolume": {    "region": [1.887509,0.595775,1.887609,0.595892,0.000000,8.807998]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1343337.b3dm"}}}