{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950342,-0.311207,0.000000,0.000000,0.174038,-0.531465,0.829009,0.000000,-0.257450,0.786181,0.561817,0.000000,-1643787.649814,5019677.873616,3563125.603136,1],    "boundingVolume": {    "region": [1.887184,0.596488,1.887335,0.596674,0.000000,8.813921]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1398974.b3dm"}}}