{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950636,-0.310308,0.000000,0.000000,0.173414,-0.531260,0.829271,0.000000,-0.256787,0.786675,0.561429,0.000000,-1639555.358324,5022825.551365,3560655.578880,1],    "boundingVolume": {    "region": [1.886264,0.596062,1.886362,0.596161,0.000000,8.809058]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/1_1342560.b3dm"}}}