{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949166,-0.314774,0.000000,0.000000,0.115856,-0.349351,0.929802,0.000000,-0.292410,0.881729,0.370202,0.000000,-1865888.066387,5626372.047811,2346470.485430,1],    "boundingVolume": {    "region": [1.890961,0.379169,1.891070,0.379284,0.000000,11.483949]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/15_6620.b3dm"}}}