{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950754,-0.309946,0.000000,0.000000,0.173499,-0.532207,0.828646,0.000000,-0.256293,0.786174,0.562356,0.000000,-1636403.006357,5019644.398896,3566547.175873,1],    "boundingVolume": {    "region": [1.885850,0.597147,1.886015,0.597316,0.000000,8.734268]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1383575.b3dm"}}}