Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH+KnQYjrl8lqMlO0kN5Xpey6T2IUMfKSUuJdUK32T673x4WMh+n5xQ3aXX… (844 chars)"
  }
}