{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950592,-0.310443,0.000000,0.000000,0.173596,-0.531561,0.829040,0.000000,-0.256827,0.786418,0.561772,0.000000,-1639809.287051,5021185.504537,3562836.422768,1],    "boundingVolume": {    "region": [1.886406,0.596477,1.886504,0.596575,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390259.b3dm"}}}