{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951182,-0.308629,0.000000,0.000000,0.115671,-0.356494,0.927110,0.000000,-0.285862,0.881014,0.376958,0.000000,-1824133.284105,5621902.299940,2389332.273012,1],    "boundingVolume": {    "region": [1.884466,0.386458,1.884630,0.386561,0.000000,56.986053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_278.b3dm"}}}