{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950449,-0.310881,0.000000,0.000000,0.173878,-0.531591,0.828962,0.000000,-0.257165,0.786224,0.561887,0.000000,-1641972.270042,5019954.794639,3563569.483084,1],    "boundingVolume": {    "region": [1.886868,0.596616,1.886965,0.596715,0.000000,14.804801]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1394254.b3dm"}}}