{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948817,-0.315825,0.000000,0.000000,0.176303,-0.529658,0.829686,0.000000,-0.261485,0.785567,0.560812,0.000000,-1669546.862883,5015738.488654,3556733.789428,1],    "boundingVolume": {    "region": [1.892074,0.595254,1.892170,0.595477,0.000000,8.792748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1180220.b3dm"}}}