{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950850,-0.309652,0.000000,0.000000,0.173128,-0.531624,0.829098,0.000000,-0.256191,0.786686,0.561686,0.000000,-1635748.909177,5022901.095255,3562288.331521,1],    "boundingVolume": {    "region": [1.885541,0.596337,1.885706,0.596506,0.000000,8.741088]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1385899.b3dm"}}}