{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896896,-0.442242,0.000000,0.000000,0.282297,-0.572518,0.769761,0.000000,-0.339486,0.688501,0.640871,0.000000,-2168272.229956,4397403.540975,4065791.545342,1],    "boundingVolume": {    "region": [2.028801,0.695576,2.028984,0.695688,0.000000,31.543337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_451025.b3dm"}}}