{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950293,-0.311356,0.000000,0.000000,0.174012,-0.531102,0.829247,0.000000,-0.257648,0.786369,0.561464,0.000000,-1645049.460725,5020867.612611,3560881.392886,1],    "boundingVolume": {    "region": [1.887340,0.596061,1.887492,0.596247,0.000000,8.556427]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1342320.b3dm"}}}