{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950746,-0.309972,0.000000,0.000000,0.173319,-0.531605,0.829069,0.000000,-0.256447,0.786573,0.561728,0.000000,-1637382.139910,5022177.937485,3562555.783862,1],    "boundingVolume": {    "region": [1.885877,0.596388,1.886042,0.596557,0.000000,8.812708]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1386068.b3dm"}}}