{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950531,-0.310630,0.000000,0.000000,0.173525,-0.530987,0.829422,0.000000,-0.257101,0.786733,0.561204,0.000000,-1641558.508755,5023191.278472,3559226.050864,1],    "boundingVolume": {    "region": [1.886594,0.595782,1.886710,0.595897,0.000000,8.816373]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1425313.b3dm"}}}