{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949119,-0.314917,0.000000,0.000000,0.175890,-0.530109,0.829486,0.000000,-0.260670,0.785626,0.561109,0.000000,-1664342.201785,5016118.641039,3558623.715397,1],    "boundingVolume": {    "region": [1.891096,0.595672,1.891234,0.595778,0.000000,8.797547]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1365125.b3dm"}}}