{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950224,-0.311567,0.000000,0.000000,0.174129,-0.531063,0.829247,0.000000,-0.257822,0.786312,0.561464,0.000000,-1646160.294162,5020504.906205,3560879.451995,1],    "boundingVolume": {    "region": [1.887569,0.596049,1.887707,0.596258,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1342321.b3dm"}}}