{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950428,-0.310945,0.000000,0.000000,0.173431,-0.530104,0.830007,0.000000,-0.257545,0.787207,0.560335,0.000000,-1644388.288594,5026201.963185,3553702.408822,1],    "boundingVolume": {    "region": [1.886892,0.594717,1.887075,0.594863,0.000000,8.487432]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1375434.b3dm"}}}