Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHQu2DwjZRfwjZJNH7Z5axnNhwhhS7Dt17vP4Mg0G4ZKSF3GVZaLsTF7CGE… (844 chars)"
  }
}