{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950382,-0.311084,0.000000,0.000000,0.173972,-0.531497,0.829002,0.000000,-0.257346,0.786208,0.561827,0.000000,-1643122.166186,5019851.223905,3563187.912606,1],    "boundingVolume": {    "region": [1.887081,0.596543,1.887178,0.596642,0.000000,8.784401]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1392032.b3dm"}}}