{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950816,-0.309756,0.000000,0.000000,0.173103,-0.531351,0.829277,0.000000,-0.256333,0.786830,0.561419,0.000000,-1636655.353446,5023813.709100,3560596.069513,1],    "boundingVolume": {    "region": [1.885660,0.595990,1.885806,0.596210,0.000000,8.795153]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1339337.b3dm"}}}