{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897672,-0.440665,0.000000,0.000000,0.285470,-0.581526,0.761797,0.000000,-0.334749,0.681911,0.650339,0.000000,-2138101.512972,4355489.460082,4126030.901327,1],    "boundingVolume": {    "region": [2.027060,0.707917,2.027212,0.708145,0.000000,11.320748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796665.b3dm"}}}