{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951328,-0.308181,0.000000,0.000000,0.171049,-0.528012,0.831832,0.000000,-0.255823,0.789702,0.557607,0.000000,-1633372.656752,5042077.550305,3536367.611980,1],    "boundingVolume": {    "region": [1.884023,0.591456,1.884131,0.591544,0.000000,6.388879]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/49/40_1382878.b3dm"}}}