{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950809,-0.309779,0.000000,0.000000,0.173164,-0.531496,0.829172,0.000000,-0.256319,0.786723,0.561575,0.000000,-1636566.351089,5023134.382277,3561588.580332,1],    "boundingVolume": {    "region": [1.885684,0.596179,1.885830,0.596398,0.000000,8.774613]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1338848.b3dm"}}}