{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949866,-0.312657,0.000000,0.000000,0.174786,-0.531006,0.829146,0.000000,-0.258693,0.785918,0.561614,0.000000,-1651721.345265,5017995.554645,3561834.787111,1],    "boundingVolume": {    "region": [1.888700,0.596233,1.888871,0.596438,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1401865.b3dm"}}}