{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950735,-0.310003,0.000000,0.000000,0.173530,-0.532192,0.828649,0.000000,-0.256341,0.786162,0.562351,0.000000,-1636713.627393,5019563.896558,3566518.138814,1],    "boundingVolume": {    "region": [1.885910,0.597142,1.886076,0.597311,0.000000,8.574145]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1325173.b3dm"}}}