{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950216,-0.311593,0.000000,0.000000,0.174250,-0.531384,0.829016,0.000000,-0.257771,0.786084,0.561806,0.000000,-1645839.403000,5019054.527654,3563057.038163,1],    "boundingVolume": {    "region": [1.887589,0.596475,1.887741,0.596660,0.000000,8.770327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1329857.b3dm"}}}