{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950547,-0.310580,0.000000,0.000000,0.173485,-0.530961,0.829448,0.000000,-0.257068,0.786771,0.561166,0.000000,-1641348.157148,5023429.597869,3558988.303815,1],    "boundingVolume": {    "region": [1.886542,0.595737,1.886658,0.595851,0.000000,8.799150]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1424848.b3dm"}}}