{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950199,-0.311645,0.000000,0.000000,0.174282,-0.531380,0.829012,0.000000,-0.257813,0.786065,0.561813,0.000000,-1646106.948588,5018937.381351,3563098.181240,1],    "boundingVolume": {    "region": [1.887645,0.596483,1.887796,0.596668,0.000000,8.785472]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398902.b3dm"}}}