{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944152,-0.329511,0.000000,0.000000,0.184219,-0.527845,0.829122,0.000000,-0.272629,0.781168,0.561650,0.000000,-1740702.652890,4987662.728400,3562063.118326,1],    "boundingVolume": {    "region": [1.906524,0.596341,1.906639,0.596416,0.000000,8.616402]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_131691.b3dm"}}}