{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943959,-0.330064,0.000000,0.000000,0.184405,-0.527386,0.829372,0.000000,-0.273170,0.781246,0.561278,0.000000,-1744153.082786,4988155.529179,3559700.369778,1],    "boundingVolume": {    "region": [1.907119,0.595872,1.907215,0.595987,0.000000,8.784257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1271549.b3dm"}}}