{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950262,-0.311453,0.000000,0.000000,0.173978,-0.530818,0.829436,0.000000,-0.257787,0.786523,0.561184,0.000000,-1645935.192477,5021846.957221,3559102.617367,1],    "boundingVolume": {    "region": [1.887468,0.595758,1.887568,0.595874,0.000000,8.807998]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1343436.b3dm"}}}